All Male Protagonists Are Ill
Alternative: Guys in This Game Have Psychosis, Guys in This Game Are All Psychos, In a Certain B-Game, All of Its Male Leads Are Yanderes, 某乙游男主都有病
Author(s): 江景海琦
Artist(s): 江景海琦
Genre(s): Drama, Fantasy, Harem, Josei, Mature, Romance
Release: 2023
Status: Ongoing

Summary:

Reincarnated into an otome game, the heroine has to make the “mentally sick” heroes fall in love to return to the real world!

The manga is also known by another name:

Guys in This Game Have Psychosis, Guys in This Game Are All Psychos, In a Certain B-Game, All of Its Male Leads Are Yanderes, 某乙游男主都有病