Hikaru Kousaka
香坂ひかる
Jenis kelamin: Female
Usia: 12
Golongan darah: O
♥: 2
Height: 155cm
Seiji's childhood friend and neighbor who is a strong-minded and brisk tomboy who gets upset when Seiji's with other girls. Due to Seiji's parents never being around, Hikaru looks over Seiji, often arguing with him.
