Hakosaki Chisa

Hobbies: Internet, reading.
Likes: Animals in general, sweets.
Hates: Waterside.

Chisa is a second year student at Sumisora High School and Ririsu's best friend. She has a crush on Shio and confesses to him at the beginning of the story.

In Memories Off 6: Next Relation:
A third year student at Sumisora High School.