Age: 22
Birthday: June 19
Height: 181 cm
Weight: 67 kg
Blood type: AB
Likes: Suicide, sake, women, crabs, Ajinomoto (a Japanese brand of seasoning)
Dislikes: Dogs
Ability: No Longer Human; the ability to nullify other abilities through touch.

Dazai Osamu is based on a Japanese author by same name. His ability No longer human is also based on Dazai Osamu's popular Japanese novel by same name.