ONA
Selesai tayang
3 episode
Tensei shitara Slime Datta Ken: Coleus no Yume
That Time I Got Reincarnated as a Slime: Visions of Coleus · 転生したらスライムだった件 コリウスの夢
Sinopsis
The story takes place between the first and second season, where Rimuru confronts the swirling conspiracies in the Coleus kingdom.