Japanese notation name: 空ろ (ウツロ) Age: Unknown (estimated 16 years old) Gender: Male Height 169cm Bust 75cm Weight 56kg Birthday: Unknown blood type: Type O favorite thing: None My favorite food: None He became a remnant of despair by Enoshima junko, erased his own memories and was trapped in school, including himself, and played murder games with students. His purpose was Create a successful Killing Game as a experiment for Junko. He is ultimate despair.