Isekai ni Ittara Bunretsu Shite Shimatta - Ch. 2

[MangaDex]

 

[gletto]

Didn't actually let him use the potion unlike most stories. Interesting

 

[FlaminSarge]

"Robo" might actually be "Lobo" (I figure they're the same in Japanese) since it's a werewolf (Lobo being Spanish for wolf and it seems like something this author would do).