雨霧 咲耶

Haruna's younger sister.

She attends a private school with a dormitory as a scholarship student.

She has excellent grades and is always at the top of her class at school.
She is always energetic and cheerful at school, and is loved by her teachers and friends alike.

She is actually quite a closet girl, and feels lonely living away from her sister.
She can be a bit reckless, and sometimes surprises those around her with her eccentric actions.