the Bygone Light Shines not ON THE GUTTER

The son of the richest man, the male protagonist, has always been obsessed with the female protagonist who once offered him a helping hand. Despite the opposition of his friends and family, he brought her home and became her most loyal SIMP. When the female protagonist was discovered by a talent scout and insisted on entering the entertainment industry, the male protagonist agreed to her request for an underground relationship and voluntarily contributed money and effort to pave the way for her career. However, in the end, he watched her announce her relationship with her "worthless boyfriend" on the podium. The male protagonist wanted to find someone to explain, but was pushed straight off the high-rise building and reborn. The male protagonist decided to let the two experience a completely opposite life from their previous life...