Rani K

Rani K (ラニ＝Ｋ^?) is a R.A.N.I Series AI in the Inner World of Paper Moon.

Profile

Background

R.A.N.I Series, Type KEEP(K) (Ｒ.Ａ.Ｎ.Ｉシリーズ、タイプKeep(Ｋ)^?), colloquially known as Rani K, is an AI utilized within the Inner World of Paper Moon. Cerejeira Elron is the prime AI that is equivalent to a leader amidst the K Type Rani's.

Appearance

Personality

Role

Fate/Grand Order

Paper Moon: Imaginary Compass Inner World

Development

Creation and Conception

Rani K was designed by 嶋悠里 in Fate/Grand Order.^[1]

References

Fate series characters

Characters by series Fate/stay night Main characters: Shirou Emiya • Saber • Rin Tohsaka • Sakura Matou • Shinji Matou • Illyasviel von Einzbern • Archer • Kirei Kotomine Secondary characters: Assassin • Berserker • Caster • Gilgamesh • Lancer • Rider • Souichirou Kuzuki • True Assassin • Zouken Matou Minor characters: Atrum Galliasta • Ayako Mitsuzuri • Bedivere • Claudia Hortensia • Gai Gotou • Issei Ryuudou • Kaede Makidera • Kane Himuro • Leysritt • Justeaze Lizrich von Einzbern • Otoko Hotaruzuka • Sella • Taiga Fujimura • Vivian • Yukika Saegusa Fate/hollow ataraxia Main characters: Bazett Fraga McRemitz • Avenger • Caren Hortensia Secondary characters: Assassin • Dilo • Edelfelt sisters • Luviagelita Edelfelt • Minori Mitsuzuri Master of Assassin • Perseus • Reikan Ryuudou • Saber • Scáthach • Stheno • Euryale Fate/Zero Main characters: Kiritsugu Emiya • Irisviel von Einzbern • Saber • Kirei Kotomine • Waver Velvet • Rider • Tokiomi Tohsaka • Archer Secondary characters: Aoi Tohsaka • Assassin • Berserker • Caster • Kariya Matou • Kayneth El-Melloi Archibald • Lancer • Maiya Hisau • Risei Kotomine • Ryuunosuke Uryuu • Sola-Ui Nuada-Re Sophia-Ri Minor characters: Byakuya Matou • Fionn mac Cumhaill • Glen and Martha Mackenzie • Grainne • Jubstacheit von Einzbern • Natalia Kaminski • Norikata Emiya • Shirley Fate/EXTRA Main characters: Hakuno Kishinami • Saber • Archer • Caster • Gilgamesh • Rin Tohsaka • Rani VIII • Sakura Matou • BB Secondary characters: Alice • Archer • Assassin • Berserker • Berserker • Caster • Caster • Dan Blackmore • Jinako Carigiri • Julius B. Harwey • Launcher • Kiara Sessyoin • Lancer • Lancer • Lancer • Run Ru • Leonardo B. Harwey • Meltryllis • Monji Gatou • Passionlip • Rider • Saber • Saver • Shinji Matou • Twice H. Pieceman Minor characters: Amaterasu • Aoko Aozaki Chishiki Mabi • Ikuyo Yuutou • Issei Ryuudou • Kirei Kotomine • Shiki Ryougi • Sialim Eltnam Re-Atlasia • Taiga Fujimura • Touko Aozaki Fate/Apocrypha Black Faction characters: Caules Forvedge Yggdmillennia • Darnic Prestone Yggdmillennia • Fiore Forvedge Yggdmillennia • Gordes Musik Yggdmillennia • Reika Rikudou • Roche Flyn Yggdmillennia • Celenike Icecolle Yggdmillennia • Archer of Black • Assassin of Black • Berserker of Black • Caster of Black • Lancer of Black • Rider of Black • Saber of Black Red Faction characters: Kairi Sisigou • Shirou Kotomine • Rottweil Berzinsky • Jean Rum • Pentel brothers • Feend vor Sembren • Archer of Red • Assassin of Red • Berserker of Red • Caster of Red • Lancer of Red • Rider of Red • Saber of Red Other characters: Sieg • Ruler Minor characters: Aias • Alma Petresia • Alzir • Bram Nuada-Re Sophia-Ri • Fafnir • Hector • Lord El-Melloi II • Reines El-Melloi Archisorte • Rocco Belfeban • Serge • Toole • Touki Sisigou • Trimmau • Victor Frankenstein Fate/Prototype Main characters: Ayaka Sajyou • Saber • Misaya Reiroukan • Lancer • Archer • Rider • Manaka Sajyou Secondary characters: Archer's Master • Assassin • Beast • |Berserker • Caster • Aro Isemi • Hiroki Sajyou • Sancraid Phahn Fate/Prototype: Fragments Manaka Sajyou • Saber • Elza Saijo • Archer • Nigel Saward • Lancer • Shizuri Isemi • Rider • Misaya's father • Caster • Tatsumi Kitano • Berserker • Seiji Jinga • Assassin Fate/Labyrinth Manaka Sajyou • Norma Goodfellow • Saber • Archer • Caster • Assassin • Gray • Lord El-Melloi II • Wolfgang Faustus Fate/strange fake False Masters and Servants: Flat Escardos • False Berserker • Tiné Chelc • False Archer • Silver Wolf Chimera • False Lancer • Tsubaki Kuruoka • False Rider • Orlando Reeve • False Caster • Jester Karture • False Assassin True Masters and Servants: Ayaka Sajyou • Player • Saber • Sigma • Watcher • Bazdilot Cordelion • True Archer • Francesca Prelati • True Caster • Haruri Borzak • True Berserker • Faldeus Dioland • True Assassin • Doris Lusendra • True Rider Other characters: Philia • John Wingard • Vera Levitt • Clan Calatin • Hansa Cervantes • Lord El-Melloi II • Yuukaku Kuruoka • Cashura • Galvarosso Scladio • Langal • Saint Germain • Master of Archer (Fate/strange Fake) Fate/Grand Order Main characters: Ritsuka Fujimaru • Mash Kyrielight Observer on Timeless Temple characters: Romani Archaman • Leonardo da Vinci • Olga Marie Animusphere • Fou • Sherlock Holmes • Lev Lainur Flauros • Beast II • Goetia Epic of Remnant characters: Baal • Phenex • Zepar • Beast III/R • Ashiya Douman • Raum • Randolph Carter Cosmos in the Lostbelt characters: Goredolf Musik • Jingle Abel Meuniere • Sion Eltnam Sokaris • Captain Nemo • Tamamo Vitch Koyanskaya • Grigori Rasputin • Kirei Kotomine • Priestess of the Alien God • Alien God • Kadoc Zemlupus • Ophelia Phamrsolone • Hinako Akuta • Scandinavia Peperoncino • Kirschtaria Wodime • Beryl Gut • Daybit Sem Void • Senji Muramasa • Chaldean • David Bluebook Other characters: Marisbury Animusphere • Galahad • Characters in Fate/Grand Order Lord El-Melloi II Case Files Main characters: Lord El-Melloi II • Gray • Reines El-Melloi Archisorte Recurring characters: Add • Trimmau • Hishiri Adashino • Flat Escardos • Svin Glascheit • Luviagelita Edelfelt • Hishiri Adashino • Melvin Weins • Faker • Doctor Heartless Secondary characters: Flueger • Heine Istari • Jiroubou Seigen Tokitou • Clown • Orlocke Caesarmund • Rosalind Istari • Geryon Ashborn • Touko Aozaki • Inorai Valualeta Atroholm • Byron Valualeta Iselma • Diadra Valualeta Iselma • Estella Valualeta Iselma • Carina • Regina • Maio Brishisan Clynelles • Islo Sebunan • Mick Grazilier • Atrum Galliasta • Caules Forvedge • Yvette L. Lehrman • Olga Marie Animusphere • Trisha Fellows • Karabo Frampton • Rodin • Leandra • Jean-Mario Supinerra • Bersac Blackmore • Magdalena • Zepia Eltnam Atlasia • Fernando Croze • Sister Ilumia • Corpse King • McDonell Trambellio Elrod • Rufleus Nuada-Re Eulyphis • Asheara Mystras • Calugh Ithred The Adventures of Lord El-Melloi II Main characters: Lord El-Melloi II • Gray • Reines El-Melloi Archisorte • Ergo Secondary characters: Add • Rin Tohsaka • Latio Crudelis Hiram • Tangere • Wuzhiqi • Flat Escardos • Luviagelita Edelfelt Other characters: Shirou Emiya • Mikiya Kokutou • Mana Ryougi Garden of Avalon Agravain • Artoria • Galahad • Gawain • Guinevere • Kay • Lancelot • Merlin • Morgan le Fay • Tristan • Vortigern Fate/kaleid liner Main characters: Illyasviel von Einzbern • Miyu Edelfelt • Chloe von Einzbern • Rin Tohsaka • Luviagelita Edelfelt • Magical Ruby • Magical Sapphire • Secondary characters: Shirou Emiya • Sella (Fate/kaleid) • Leysritt (Fate/kaleid) • Kiritsugu Emiya • Irisviel von Einzbern • Caren Hortensia • Bazett Fraga McRemitz • Tanaka • Beatrice Flowerchild • Angelica • Darius Ainsworth • Erika Ainsworth • Shirou Emiya (Miyu's brother) • Julian Ainsworth • Kischur Zelretch Schweinorg • Lord El-Melloi II • Mimi Katsura • Tatsuko Gakumazawa • Suzuka Kurihara • Nanaki Moriyama • Taiga Fujimura • Shinji Matou • Sakura Matou Fate/Requiem Main characters: Erice Utsumi • Voyager • Karin • Berserker • Koharu F Riedenflaus • Saber • Chitose Manazuru • Lancer • Nzambi • Anubis Secondary characters: Caren Fujimura • Makki • Kuchime • Rurihime Fate/type Redline Main characters: Kanata Akagi • Tsukumo Fujimiya • Saber Secondary characters: Archer • Berserker • Major Magatsu • Kaname • Major Reiter • Assassin • Caster • Rider Fate/Koha-Ace Main characters: Sakura Saber • Kohaku • Akiha • Demon Archer • Artoria • Rider • Oryuu • Caren Kotomine • Lancer • Major Matou • Berserker • Assassin • Caster • Major Reiter • Fuhrer • Lancer Other characters: Saber • Devil Saber • Sun Wukong Others Association Director • Gazamy •Grail-kun • Kischur Zelretch Schweinorg • Magical Amber • Magical Caren • Moby Dick • Nagato Tohsaka • Neco-Arc • Phantas-Moon • Raiga Fujimura • Saber Lion • Typhon • List of characters by statistics Masters Fate/stay night Shirou Emiya • Rin Tohsaka • Illyasviel von Einzbern • Shinji Matou • Souichirou Kuzuki • Caster • Kirei Kotomine • Zouken Matou • Sakura Matou • Atrum Galliasta Ernest Gravehill Fate/hollow ataraxia Bazett Fraga McRemitz • Caren Hortensia • Edelfelt sisters • Master of Assassin • Einzbern Master Fate/Zero Kiritsugu Emiya • Kirei Kotomine • Tokiomi Tohsaka • Ryuunosuke Uryuu • Waver Velvet • Kariya Matou • Kayneth El-Melloi Archibald • Sola-Ui Nuada-Re Sophia-Ri Fate/EXTRA Hakuno Kishinami • Rin Tohsaka • Rani VIII • Leonardo B. Harwey • Run Ru • Dan Blackmore • Shinji Matou • Alice • Julius B. Harwey • Monji Gatou • Twice H. Pieceman • Jinako Carigiri • Kiara Sessyoin • Meltryllis • BB • Kazuhito Sakagami • Izaya Kii • Leila Raidou • Misao Amari • Atrum Galliasta Fate/Apocrypha Kairi Sisigou • Shirou Kotomine • Rottweil Berzinsky • Jean Rum • Pentel brothers • Feend vor Sembren • Gordes Musik Yggdmillennia • Fiore Forvedge Yggdmillennia • Darnic Prestone Yggdmillennia • Celenike Icecolle Yggdmillennia • Roche Frain Yggdmillennia • Caules Forvedge Yggdmillennia • Reika Rikudou • Sagara Hyouma • Sieg Fate/Prototype Ayaka Sajyou • Misaya Reiroukan • Manaka Sajyou • Sancraid Phahn • Aro Isemi • Elza Saijo • Nigel Saward • Misaya's father • Shizuri Isemi • Seiji Jinga • Tatsumi Kitano Lord El-Melloi II Case Files Doctor Heartless Fate/Labyrinth Manaka Sajyou • Norma Goodfellow • Wolfgang Faustus Fate/strange fake Player • Tiné Chelc • Tsubaki Kuruoka • Orlando Reeve • Jester Karture • Flat Escardos • Silver Wolf Chimera • Ayaka Sajyou • Sigma • Faldeus Dioland • Cashura • Francesca • Doris Lusendra • Haruri • Bazdilot Cordelion Fate/Grand Order Ritsuka Fujimaru • Kirschtaria Wodime • Ophelia Phamrsolone • Kadoc Zemlupus • Scandinavia Peperoncino • Hinako Akuta • Beryl Gut • Daybit Sem Void Fate/Samurai Remnant Miyamoto Iori • Zheng Chenggong • Chiemon • Yui Shousetsu • Tsuchimikado Yasuhiro • Dorothea Coyett • Takao Dayu Fate/Requiem Erice Utsumi • Karin • Koharu F Riedenflaus • Chitose Manazuru • Makki • Kuchime • Rurihime • Ahasuerus Fate/type Redline Kanata Akagi • Kaname Asama • Reiji Magatsu • Major Reiter • Master of Caster • Mysterious Officer • Lanlan Fang Koha-Ace Kohaku • Artoria • Major Matou • Caren Kotomine Fate/kaleid liner Class Card users: Illyasviel von Einzbern • Miyu Edelfelt • Angelica Ainsworth • Beatrice Flowerchild • Julian Ainsworth • Rin Tohsaka • Luviagelita Edelfelt • Shinji Matou • Kariya Matou • Kayneth El-Melloi Archibald • Atrum Galliasta • Zachary Ainsworth Servants Classes Saber • Lancer • Archer • Rider • Caster • Assassin • Berserker Ruler • Avenger • Alter Ego • MoonCancer • Shielder • Beast • Saver • Gunner • Gatekeeper • Funny Vamp • Faker • Foreigner • Watcher • Pretender • Voyager Grand Servant • Non-classed Servants Fate/stay night Saber • Lancer • Archer • Rider • Caster • Assassin • Berserker Archer • Assassin Shielder Fate/hollow ataraxia Avenger • Saber • Assassin Fate/Zero Saber • Lancer • Archer • Rider • Caster • Assassin • Berserker Fate/EXTRA Playable Servants: Saber • Archer • Caster • Gilgamesh • Saber • Caster • Saber • Ruler Party Servants: Rider • Rider • Ruler • Saber • Rider • Lancer • Archer • Berserker • Caster • Berserker Non-Playable Servants: Saber • Lancer • Lancer • Archer • Rider • Caster • Assassin • Berserker • Berserker • Saver • Rider • Assassin • Lancer • Saber • Lancer • Berserker • Berserker • Armstrong Non-Playable CCC Servants: Saber • Lancer • Caster • Launcher • BB Alter Ego: Passionlip • Meltryllis • Violet • Kingprotea • Kazuradrop Others: Saber Fate/Apocrypha Black Faction: Saber of Black (Sieg) • Lancer of Black • Archer of Black • Rider of Black • Caster of Black • Assassin of Black • Berserker of Black Red Faction: Saber of Red • Lancer of Red • Archer of Red • Rider of Red • Caster of Red • Assassin of Red • Berserker of Red Others: Ruler • Ruler Discarded designs: David • Musashibou Benkei • Georgios • Sakata Kintoki Fate/Prototype First Tokyo Holy Grail War Servants: Saber • Lancer • Archer • Rider • Caster • Assassin • Berserker Second Tokyo Holy Grail War Servants: Saber • Lancer • Archer • Rider • Caster • Assassin • Berserker • Beast Fate/strange fake False Servants: Saber • False Lancer • False Archer • False Rider • False Caster • False Assassin • False Berserker True Servants: True Archer • True Rider • True Caster • True Assassin • True Berserker • Watcher Fate/Grand Order Saber: Astolfo • Altera • Artoria Pendragon • Artoria Pendragon (Alter) • Artoria Pendragon Lily • Barghest • Bedivere • Benienma • Charlemagne • Chevalier d'Eon • Diarmuid Ua Duibhne • Dioscuri • Fergus mac Róich • Gaius Julius Caesar • Gilles de Rais • Ibuki-douji • Jason • Karna (Santa) • Kurohime • Lancelot • Medusa • Miyamoto Musashi • Mordred • Nero Claudius • Nero Bride • Prince of Lanling • Rama • Roland • Saitou Hajime • Senji Muramasa • Shiki Ryougi • Siegfried • Sigurd • Suzuka Gozen • Theseus • Trưng sisters • Watanabe-no-Tsuna • Yagyuu Munenori • Yamanami Keisuke Lancer: Artoria Pendragon • Artoria Pendragon (Alter) • Bhima • Biscione • Bradamante • Britomart • Brynhildr • Caenis • Cú Chulainn • Cú Chulainn (Prototype) • Diarmuid Ua Duibhne • Don Quixote • Elizabeth Bathory • Enkidu • Ereshkigal • Erice Utsumi • Fionn mac Cumhaill • Gareth • Hector • Houzouin Inshun • Jaguar Man • Karna • Leonidas • Mary Anning • Medusa • Melusine • Musashibou Benkei • Nezha • Parvati • Percival • Qin Liangyu • Romulus • Romulus-Quirinus • Scáthach • Sétanta • Sakamoto Ryouma • Valkyrie • Van Gogh (Miner) • Vritra Archer: Arash • Arjuna • Baobhan Sith • Atalanta • Billy the Kid • Calamity Jane • Child-Gil • Chiron • Chloe von Einzbern • David • Durga • EMIYA • EMIYA Alter • Euryale • Fujino Asagami • Gilgamesh • Ishtar • James Moriarty • Kali • Napoleon • Oda Nobukatsu • Oda Nobunaga • Orion (Artemis) • Paris • Ptolemy • Robin Hood • Saika Magoichi • Sei Shounagon • Sugitani Zenjuubou • Super Orion • Takasugi Shinsaku • Tawara Touta • Tomoe Gozen • Tristan • Tutankhamun • Zenobia Rider: Achilles • Alexander • Andromeda • Artoria Pendragon (Santa Alter) • Astolfo • Bartholomew Roberts • Bonny and Read • Boudica • Captain Nemo • Christopher Columbus • Constantine XI • Dobrynya Nikitich • Edward Teach • Europa • Francis Drake • Habetrot • Huang Feihu • Ivan the Terrible • Leonardo da Vinci • Mandricardo • Marie Antoinette • Medb • Medusa • Ozymandias • Quetzalcoatl • Red Hare • Georgios • Martha • Sakamoto Ryouma • Sakata Kintoki • Taigong Wang • Takeda Harunobu • Ushiwakamaru Caster: Aesc • Alice Kuonji • Anastasia Nikolaevna Romanova • Artoria Avalon • Avicebron • Charles Babbage • Chen Gong • Circe • Cú Chulainn • Daikokuten • Geronimo • Gilgamesh • Gilles de Rais • Hans Christian Andersen • Helena Blavatsky • Illyasviel von Einzbern • Irisviel (Dress of Heaven) • Izumo-no-Okuni • Leonardo da Vinci • Medea • Medea Lily • Mephistopheles • Merlin • Merlin (Prototype) • Miss Crane • Murasaki Shikibu • Nitocris • Nursery Rhyme • Ono no Komachi • Queen of Sheba • Scáthach Skadi • Scheherazade • Sieg • Solomon • Tamamo-no-Mae • Thomas Edison • William Shakespeare • Paracelsus von Hohenheim • Wolfgang Amadeus Mozart • Xuanzang Sanzang • Zhang Jue • Zhuge Liang (Lord El-Melloi II) Assassin: Carmilla • Charles-Henri Sanson • Charlotte Corday • Cleopatra • Consort Yu • Dr. Jekyll • EMIYA • Fuuma Kotarou • Hassan of the Cursed Arm • Hassan of the Hundred Faces • Hassan of the Shining Star • Hassan of Serenity • Huyan Zhuo • Jack the Ripper • Jing Ke • Kama • Kashin Koji • Katō Danzō • Kiichi Hougen • King Hassan • Koyanskaya of Light • Locusta • Mata Hari • Mochizuki Chiyome • Mysterious Heroine X • Okada Izou • Osakabehime • Phantom of the Opera • Sasaki Kojirou • Semiramis • Shiki Ryougi •Shuten-douji • Stheno • Tezcatlipoca • Wu Zetian • Yan Qing Berserker: Asterios • Atalanta Alter • Beowulf • Caligula • Chacha • Cú Chulainn Alter • Darius III • Duryodhana • Eric Bloodaxe • Florence Nightingale • Frankenstein's Monster • Heracles • Hijikata Toshizo • Galatea • Ibaraki-douji • Kijyo Koyo • Kiyohime • Kriemhild • Lancelot • Louhi • Lu Bu • Minamoto-no-Raikou • Morgan • Mysterious Heroine X Alter • Nagakura Shinpachi • Penthesilea • Paul Bunyan • Sakata Kintoki • Salome • Sen no Rikyu • Soujuurou Shizuki • Spartacus • Tamamo Cat • Vlad III • Xiang Yu Ruler: Amakusa Shirou Tokisada • Amour • Himiko • Iyo • James Moriarty • Jeanne d'Arc • Johanna • Qin Shi Huang • Sherlock Holmes • Uesugi Kenshin Avenger: Amakusa Shirou Tokisada • Angra Mainyu • Antonio Salieri • Black Iri • Comte de Monte Cristo • Edmond Dantès • Gorgon • Hessian Lobo • Jeanne Alter • Marie Antoinette Alter • Mysterious Ranmaru X • Nitocris Alter • Space Ishtar • Taira-no-Kagekiyo Alter Ego: Ashiya Douman • Azumi-no-isora • Kazuradrop • Kiara Sessyoin • Kingprotea • Larva/Tiamat • Manannán mac Lir • Mecha Eli-chan • Mecha Eli-chan Mk.II • Meltryllis • Okita Souji Alter • Passionlip • Sitonai • Super Bunyan • Taisui Xingjun • Xu Fu MoonCancer: Archetype: Earth • BB • Ganesha • Hakuno Kishinami (Male) • Hakuno Kishinami (Female) • Kiara Sessyoin • Mysterious Executioner C.I.E.L Foreigner: Abigail Williams • Aoko Aozaki • BB Pele • Jacques de Molay • Katsushika Hokusai • Koyanskaya of Darkness • Kukulkan • Mysterious Heroine XX • Mysterious Heroine XX Alter • Mysterious Idol X Alter • Van Gogh • Voyager • Wandjina • Yang Guifei Pretender: Abigail Williams (Santa) • Alessandro di Cagliostro • Dante Alighieri • Hephaestion Mnemosyne • Lady Avalon • Nine-Tattoo Dragon Eliza • Oberon • Phantasmoon • Tenochtitlan Beast: Cath Palug • E-Aqua Marie • E-Flare Marie • E-Grand Marie • Goetia • Kama/Mara • Kiara Sessyoin • Space Ereshkigal • Tamamo Vitch Koyanskaya • Tiamat • U-Olga Marie • Whore of Babylon Fate/Requiem Voyager • Berserker • Saber • Lancer • Caster • Anubis • Unnamed female Servant • Assassin • Avenger • Rider • Hendrik van der Decken • Barbarossa • Circe • Edward Teach • El Cid • Jacques de Molay • Hannibal • Marcus Vipsanius Agrippa • Minamoto Kurou Yoshitsune • Elizabeth Bathory • Mata Hari • Foreigner • Asclepius • Odysseus Fate/type Redline Saber • Archer • Berserker • Assassin • Caster • Rider • Lancer • Fake Lancer Fate:Lost Einherjar Archer • Berserker Caster • Assassin Lancer • Rider Saber • Unknown Fate/Samurai Remnant Initial Servants: Saber • Archer • Lancer • Rider • Caster • Assassin • Berserker Stray Servants: Stray Saber • Stray Archer • Stray Lancer • Stray Rider • Stray Caster • Stray Assassin • Stray Berserker • Stray Ruler Others: Ototachibana-hime Fate/kaleid liner Fifth Holy Grail War Class Cards: Archer (Gilgamesh) • Assassin (Assassin • Assassin) • Saber • Lancer • Archer • Rider • Caster • Berserker Unknown Holy Grail War Class Cards: Assassin • Berserker • Berserker Koha-Ace Sakura Saber • Musashi • Lancer • Demon Archer • Devil Saber • Rider • Caster • Assassin • Berserker • Sun Wukong • Lancer Others Saber Lion • Faker • Others • Servants of Fate/Grand Order x Himuro's World