After Being Cheated On, I Get Rich by Saving Wild Girls

The protagonist is Xie Chang'an.

While making a delivery, Xie Chang'an discovers that his girlfriend is cheating on him.

He is so furious that he faints on the spot.

He awakens a cashback System.

Then he runs into some delinquent girls.

He helps them meet their needs.

Watch Xie Chang'an prove himself, one step at a time.