A 2nd-year high school student. 175cm tall. Extremely pale skin. First person: I (casual). Has one younger sister. Raised in Saitama. Speaks standard Japanese. Suffers from a congenital heart disease. Has spent more time in hospitals than out since childhood; doesn't know much about the outside world but is sensitive to trends. Loves bread. Always wears a pink hair tie given to him by his sister on his wrist. Often makes people laugh with funny jokes. Always kind, but becomes incredibly gentle when it truly matters. Has a soft, squishy vibe.