I agree, like seriously, just a punch in the face, even if you don't want to kill him, could you have at least just crush his balls or better yet, use your sword at it.
I have one question?
Does his skill "Ane-kui" ("Sister Devourer") only work on like "Oneesan (Older Sister)" type women, or does it work on "Mommy (MILF)" type women too?
Well, if you guys enjoy something like this Manga, you guys might enjoy some of this (it's Manhwa):
Isekai Dragondick Knight Commander
Thrust & Conquer
The Seed of Destiny
This World Breastfeeding Cafe