That Time I Got Reincarnated as a Slime OVA 1: Hey! Butts!
TV Episode | 23 min | Animation, Action, Adventure

That Time I Got Reincarnated as a Slime

OVA 1: Hey! Butts!

TV Episode | 23 min | Animation, Action, Adventure

Rimuru suddenly realizes that there's nothing to do for recreation in Tempest. He suggests sumo wrestling as a way for everyone to have fun together, and his friends are immediately on board with the idea.

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Cast	+ Add Cast
24 cast members

Name	Known for
Miho Okasaki Rimuru (voice) Rimuru (voice) See fewer	That Time I Got Reincarnated as a Slime (2018)
Megumi Toyoguchi Great Sage (voice) Great Sage (voice) See fewer	Final Fantasy VII: Advent Children (2005)
Makoto Furukawa Benimaru (voice) Benimaru (voice) See fewer	Kaguya-sama: Love is War (2019)
Sayaka Senbongi Shuna (voice) Shuna (voice) See fewer	Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train (2020)
Mao Ichimichi Shion (voice) (as M·A·O) Shion (voice) (as M·A·O) See fewer	Gokaiger Goseiger Super Sentai 199 Hero Great Battle (2011)
Takuya Eguchi Souei (voice) Souei (voice) See fewer	Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train (2020)
Hôchû Ôtsuka Hakurou (voice) Hakurou (voice) See fewer	Edge of Tomorrow (2014)
Junichi Yanagita Kurobe (voice) Kurobe (voice) See fewer	Gatchaman Crowds (2013)
Asuna Tomari Gobta (voice) Gobta (voice) See fewer	Delicious in Dungeon (2024)
Chikahiro Kobayashi Ranga (voice) Ranga (voice) See fewer	Golden Kamuy (2018)
Kanehira Yamamoto Rigurd (voice) Rigurd (voice) See fewer	The Boy and the Beast (2015)
Haruki Ishiya Rigur (voice) Rigur (voice) See fewer	Sound! Euphonium (2015)
Kôichi Sôma Garm (voice) Garm (voice) See fewer	Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)
Masashi Nogawa Myrd (voice) Myrd (voice) See fewer	Ajin (2016)
Tarô Yamaguchi Geld (voice) Geld (voice) See fewer	Ghost in the Shell: Stand Alone Complex (2002)
Jun Fukushima Gabiru (voice) Gabiru (voice) See fewer	I Want to Eat Your Pancreas (2018)
Rumi Okubo Soka (voice) Soka (voice) See fewer	Oshi No Ko (2023)
Rie Tanaka Treyni (voice) Treyni (voice) See fewer	Mobile Suit Gundam SEED (2002)
Rina Hidaka Milim (voice) Milim (voice) See fewer	Villainess Level 99: I May Be the Hidden Boss but I'm Not the Demon Lord (2024)
Akinori Egoshi Gabiru Subordinate A (voice) Gabiru Subordinate A (voice) See fewer	Skip and Loafer (2023)
Hiromichi Tezuka Gabiru Subordinate B (voice) Gabiru Subordinate B (voice) See fewer	Aldnoah.Zero (2014)
Yoshihito Sasaki Gabiru Subordinate C (voice) Gabiru Subordinate C (voice) See fewer	Lycoris Recoil (2022)
Shoya Chiba Demon Demon See fewer	Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)
Jamie Marchi Treyni (voice: English version) Treyni (voice: English version) See fewer	Heaven's Lost Property (2009)