Masahiro Yokotani

is a Japanese screenwriter from Osaka Prefecture.

Screenwriting series head writer denoted in bold Television Saint Tail (1996) Detective Conan (1997) Kasumin (2003) Di Gi Charat Nyo! (2003-2004) Popolocrois (2003-2004) Futakoi (2004) The Marshmallow Times (2004-2005) Sgt. Frog (2004-2011): head writer [eps 104-358] Ojarumaru (2004-2014) Animal Yokochō (2005) Himawari! (2006) Silk Road Boy Yuto (2006-2007) Nodame Cantabile (2007) Reideen (2007) Les Misérables: Shōjo Cosette (2007) Kenkō Zenrakei Suieibu Umishō (2007) Deltora Quest (2007-2008): head writer [eps 53-65] KimiKiss: Pure Rouge (2007-2008) Neuro: Supernatural Detective (2008) World Destruction: Sekai Bokumetsu no Rokunin (2008) Battle Spirits: Shounen Toppa Bashin (2008-2009) Toradora! (2008-2009) Maria†Holic (2009) Umi Monogatari (2009) Nodame Cantabile Final (2010) Dance in the Vampire Bund (2010) Maid Sama! (2010) K-On!! (2010) Black Butler (2010) Beelzebub (2011-2012) Maria†Holic: Alive (2011) Steins;Gate (2011) Nekogami Yaoyorozu (2011) Aquarion Evol (2012) Busou Shinki (2012) Accel World (2012) Magi: The Labyrinth of Magic (2012) Chōsoku Henkei Gyrozetter (2012) Robotics;Notes (2012) Rock Lee & His Ninja Pals (2012-2013) Mangirl! (2013) DD Fist of the North Star (2013) The Devil Is a Part-Timer! (2013-2022) Free! -Iwatobi Swim Club- (2013) Jewelpet Happiness (2013) Strike the Blood (2014) Riddle Story of Devil (2014) Lady Jewelpet (2014) Free! - Eternal Summer (2014) World Trigger (2014) Jewelpet: Magical Change (2015) Mikagura School Suite (2015) Shimoneta (2015) Heavy Object (2015) Re:Zero − Starting Life in Another World (2016, 2020-2021) All Out!! (2016-2017) MARGINAL#4 (2017) Sakura Quest (2017) Kabukibu! (2017) How to Keep a Mummy (2017) GeGeGe no Kitarō 6th series (2018) Nil Admirari no Tenbin: Teito Genwaku Kitan (2018) Free! - Dive to the Future (2018) Bakumatsu (2018) Rascal Does Not Dream of Bunny Girl Senpai (2018) Bakumatsu: Crisis (2019) YU-NO: A Girl Who Chants Love at the Bound of this World (2019) Wasteful Days of High School Girls (2019) Iwa-Kakeru! Climbing Girls (2020) Yu-Gi-Oh! Sevens (2020) Mewkledreamy (2020-2022) Tropical-Rouge! Pretty Cure (2021-2022) Aoashi (2022) My New Boss Is Goofy (2023) Too Many Losing Heroines! (2024) I Have a Crush at Work (2025) The Klutzy Class Monitor and the Girl with the Short Skirt (2026) Even the Student Council Has Its Holes! (2026)

Films Crossfire (2000) Oboreru Sakana (2001) Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001) Godzilla: Tokyo S.O.S. (2003) Chō Gekijōban Keroro Gunsō 2: Shinkai no Princess de Arimasu! (2007) Keroro Gunso the Super Movie 3: Keroro vs. Keroro Great Sky Duel (2008) High Speed! Free! Starting Days (2015) Free! Take Your Marks (2017) Rascal Does Not Dream of a Dreaming Girl (2019) Free! The Final Stroke - Part 1 (2021), co-written with Eisaku Kawanami Free! The Final Stroke - Part 2 (2022), co-written with Eisaku Kawanami Rascal Does Not Dream of a Sister Venturing Out (2023) Rascal Does Not Dream of a Knapsack Kid (2023) Ōmuro-ke: Dear Sisters (2024) Ōmuro-ke: Dear Friends (2024)