Responses
I think so too, people don't change that easily...
He indeed was a player, but mostly bc he needed a place to sleep. He never cheated on anyone and he was the one who got dumped, just slept with many people but not at the same time
He wasn't a cheater lol, he just used to live with the people he were sleeping with, and wasn't in a serious relationship? I don't know where are people getting the "he's a cheater" is not like they meet with Niwa cheating on someone.
...I feel like the seme will cheat on Yui anytime. I don’t trust him （￣へ￣）