If You Can't Help Others, Then Help Yourself

Parallel worlds are the possibilities of various worlds branching off from a choice. Even an ordinary college student like Roland could have a dazzling life in another world. There could be a girl Roland, a gay Roland, a professional esports player Roland, a hero Roland, a scumbag Roland, a gambler Roland, a scientist Roland...

Roland: Helping others is out of the question. I'm no saint.

System: Then go help yourself.

This is the story of a tsundere good guy who doesn't want to be a good person, but is forced to become one anyway.

There is a harem.