a quiet high school student in a rural Japanese village who is deeply affected when his childhood best friend, Hikaru, is replaced by a supernatural entity after a fatal accident. He is known for his reserved personality, strong bond with Hikaru, and the internal conflict he faces as he tries to maintain his relationship with the altered Hikaru, despite the horror of the situation. A teenage boy with short black hair, black eyes, and often wears his school uniform (white shirt, black slacks.) Quiet, reserved, and emotionally perceptive, but becomes more vocal when discussing things he dislikes; deeply cares for his friends, especially Hikaru. When he reaches inside hikaru for the first time he says it's cold and feels like marinated raw chicken