After an unforgettable class trip, the gang shifts their attention to the upcoming school festival. It's their second year in high school, and their last chance to get elbow-deep in the festivities--and no one wants to leave with a single regret! Mitsumi is overjoyed that her family will be attending, while, Sousuke faces himself on the stage. Somehow, these two might be overcoming the gap between them... Aware that they have precious little time left as high schoolers, Mitsumi and Sousuke fulfill a promise from long ago.