Extra: Hey! Butts!
"Being physically incapable of sleeping, Rimuru takes an experimental sleeping pill Vesta invented, and dreams about his attempt to make Sumo Wrestling Tempest's national sport."
Guest Stars
Miho Okasaki
Rimuru (voice)
Megumi Toyoguchi
Daikenja (voice)
Makoto Furukawa
Benimaru (voice)
Sayaka Senbongi
Shuna (voice)
Mao Ichimichi
Shion (voice)
Takuya Eguchi
Souei (voice)
Hochu Otsuka
Hakurou (voice)
Kanehira Yamamoto
Rigurd / Village Mayor (voice)
Asuna Tomari
Gobta (voice)
Chikahiro Kobayashi
Ranga (voice)
Jun Fukushima
Gabiru (voice)
Rina Hidaka
Milim (voice)