『Kozue Kuranaga』

Height: 158 cm

Blood type: A

Birthdate: June 1

The president of Haruka, Ryouhei, Kazuha, and Akira's class, often nicknamed by "class rep." She falls in love at first sight when she sees Haruka due to his gentle profile and appearance.

Upon her discovery of Haruka incestuous relationship she, crying and trembling, says that she loved him and that she will never talk to him again. In the end of the final episode, she questions Nao whether one's feelings are all that matters in love.