Datsu is a boy with blond hair, with some tied up at the top of his head, and red eyes. He wears a red hoodie, grey shorts and a pair of red home slippers with Neru's symbol (the crying eye) on it. The red clips he uses to tie his hair up are shaped like " = " and " + / x " symbols.
Datsu is a boy who lacks social skills and instead stays at home watching TV shows and surfing the Internet.
- He likes to surf the Internet.
- He seems to be an idol fan since he owns a pink glowstick.
- He seems to dislike being social and making friends or interacting with others.
- Ryusee said that he didn't have family or friends on Twitter.