Hayakawa Chika
早川 千花
| Hayakawa Chika早川 千花 | |
| Measurements | E cup |
| Age | 19 |
| Hair | Blond, Long, Side Tail |
| Eyes | Brown |
| Clothes | Choker, Decorative Belt, Jacket, Miniskirt, Naked Shirt, Shimapan, Sweater, Thigh-high Stockings |
| Role | Childhood Friend, University Student |
| Subject of | Tutoring |
| Visual novels | Main character - OPPAI Life - Ohayou kara Oyasumi made Momisui Seikatsu |
| Voiced by | Oukawa Mio |