Blue Box manga volume 12 features story and art by Kouji Miura.

Winter break is rolling in, but Taiki and Chinatsu won't be spending it together. Despite a ski trip with his badminton buddies to keep his mind off her, Taiki holds on to the faint hope that he'll be able to see Chinatsu before school starts again. The time apart has only intensified his feelings for her - and Taiki finally decides it's time to act!