Seeking the name of a rebirth novel

There was a scene where the male protagonist was playing with his friends at the pool and met three girls from an art school. One of the girls dropped her swimsuit, and the male protagonist helped to protect her. Later, the male protagonist had money to open a clothing store for the three girls and even bought a house. In the end, the three girls took it all, but none of the three girls were the female lead. Please remember the title of the book.