Kyou no 5 no 2 (TV): Takarabako

Quiet, mysterious, and slightly sadistic health committee member Kazumi Aihara keeps to herself, observing and documenting rather than participating.

MAKO

Naive and kind childhood friend of Chika, often unintentionally causing trouble, and loves to eat and play games.

Kobayashi Yuu

Calm and kind, Tsubasa mediates between Ryota and Koji, loves astronomy, and is number 8.

Chihara Minori

Chika, Ryota's childhood friend and classmate #10, is a playful, assertive romantic partner who isn't afraid to get physical.

Shimoda Asami

Tomboyish athlete Natsumi, #17, is calm but has nyctophobia; relentlessly pursues goals.

Yamamoto Maria

Bright and chatty, Yuuki is responsible but gossipy, with a crush on Koji and terrible cooking skills.

Akesaka Satomi

Kouji, Ryouta's bold, quick-witted best friend, is knowledgeable about girls and infamous for childhood skirt-flipping.

Asakawa Yuu

Nearsighted and clumsy, Megumi is self-conscious about her mature figure and maintains her weight at 35kg.

Honda Youko