Did you recommend any books about the male protagonist proposing with a can pull ring?

The female protagonist confessed to the male protagonist in a KTV. Later, the male protagonist proposed to the female protagonist with a can ring ring, but the male protagonist did not love the female protagonist and only treated the female protagonist as a sister. Later, the male protagonist's ex-girlfriend came back to their house, and the female protagonist fell down the stairs and had a miscarriage. She then asked for a divorce.
The male protagonist realized that he loved the female protagonist's novel

Answer 1

The recommended book was called "The Lord of Gluttony." The male protagonist proposed to the female protagonist in the other world with a ring on a can. I hope you like this fairy's recommendation. Muah ~😗