Wit's manga / #Isekai(25)

One of those "I got isekaied into my sister's omegaverse BL as the father" stories. It's originally a darker story but since the guy tranmigrates right when the father is about to commit suicide it's already onto a happier story for their wee children. Very fluffy and cute

villain and game creater/step-father? Not sure which chapter I stopped on, 80? Past that?

Poor guy spent 10 years being assaulted by magical creatures to raise his level to 999 only for it to be stolen by a newb