Haa reading it again brings back memories. We really read mangas like this before and enjoyed it. these kind of stories receive critical views these days ( ̄∇ ̄")
Cheating is bad but cheating on your boyfriend with your boyfriend's mother is downright disgusting. That's why the low rating so if someone argues why, this is it.(〜 ̄△ ̄)〜
I love that the progress is slow and not sudden, unlike many other action mangas(▰˘◡˘▰)