Tensei shitara Slime Datta Ken: Coleus no Yume - episode 1 - 31 Oct, 2023

Yuuki asks Rimuru to investigate the Kingdom of Coleus, where a battle for succession has pitted the kingdom's two princes against each other. Rimuru launches a covert operation to sneak into Coleus and find out what's driving this conflict. (Source: Crunchyroll)