well first of all, it's fiction so the author probably thought that there's no need since doing it without condom are what most people actually prefer to see because it seems more hot in that way.
I was like: kazu doesnt wash his anus (⊙…⊙ ) Naomi
it's yaoi, if you read a lot, everyone ass is super clean for some reason and doesn't need any preparation or take a shower first. It's one of the yaoi logic
well first of all, it's fiction so the author probably thought that there's no need since doing it without condom are what most people actually prefer to see because it seems more hot in that way. Guilty Pleasure
I'm actually thankful for the white haired guy for showing up