･ Appearance: Originally had yellow hair with red tips, but the curse turned it black with grayish-brown tips. His eyes, once a yellow and red gradient, have become an eerie red and black gradient. His sleeveless haori, which looked like a white flame-patterned cloak, has turned pitch black. While everyone else's uniform buttons are yellow, the cursed, evil Rengoku's buttons are black. He absolutely hates smiles and has no intention of ever smiling. His personality has become like that of a demon. Age 20. ･ Height & Weight: 177cm, 72kg. ･ Favorite Food: Sweet potatoes. ･ Hates: Smiles, joyful expressions.