- Miho Okasaki (Rimuru (voice))
- Tomoaki Maeno (Veldora (voice))
- Takuya Eguchi (Souei (voice))
- Hochu Otsuka (Hakurou (voice))
- Asuna Tomari (Gobta (voice))
- Chikahiro Kobayashi (Ranga (voice))
- Jun Fukushima (Gabiru (voice))
- Rie Tanaka (Trainie (voice))
- Rina Hidaka (Milim (voice))
- Anzu Haruno (Rimiris (voice))
That Time I Got Reincarnated as a Slime — S0E12
Episode: Visions of Coleus: Great Phantom Thief Satoru
Air Date: 2023-11-01
Runtime: 25 min
Overview
Aslan visits Rimuru to thank him for saving his sister, Zenobia. They discuss her illness and Souther's behavior, and begin to suspect that the court physician, Gustav, is behind both. Rimuru dons yet another disguise to investigate further.