Hatsu is a youthful girl with large, brown dreary-looking eyes that she covers with a pair of glasses. She has silver hair worn in a ponytail over her shoulder, held by a scrunchie. Her long bangs frame her face, with a single section going down the center.
She wears her school uniform, which is composed of a white top that has a crimson ribbon at the collar, a tea-rose jacket with gold buttons and black detail, and a black mini-skirt. Her brown loafers have a ribbon sewn to the top, worn with a pair of black stockings.
- Her birthday is February 28th.
- Her blood type is A.