Isekai Mahou wa Okureteru! - Vol. 8 Ch. 38 - Happy Dreams Are Certainly Here I

[MangaDex]

 

[Jstar338]

I'm gonna assume he knows the librarian is the big bastard, he's just too weak to take him on right now

 

[breakthelimit]

Yeah the second appearance of librarian, he’s the mastermind