Jin Kuga (久我 神, Kuga Jin)Voiced by: Tatsuhisa Suzuki
Birthday: October 4
Blood type: B
Star sign: Libra
A popular idol, he has the power of Hades. His missing mother has blood relationship with Kirihiko Karasuma. He has a crush on Karin and calls her as "his goddess" or "megami" (which is goddess in Japanese). Though he is an idol, he lives in a very poor house in the garden of that mansion, which he cleaned since he was young, never been able to step foot inside the mansion. He also entered the "World of Showbiz" and became an idol to make his father proud of him. In Chapter 15, it has been revealed that he is the clone of Professor Karasuma, while Rika is trying to revive Kirihiko through Jin. In Chapter 24 to save Micchi Jin, Kazune, and Karin combine their powers to go back in time but at the cost of never meeting Jin. Although in the finall pages Jin is seen at Karin and Kazunes wedding.