七海 雛子

"Blood-related relationships are illegal, but relationships with non-blood-related sisters are legal!"Wataru's younger non-blood-related sister and a first-year student in the vocalist course, she's aiming to become a singer. Extreme brocon, when Hinako was asked what her future dream was, she answered "Getting married with Onii-chan!" in 0.2 seconds. Her last meeting with Wataru was three years ago before entering Kurisaki Academy.