The unpredictable youth drama of the mysterious uncle Shimobee (Ken Yasuda) and high school girl Yurina (Sei Shiraishi), the 5th! Yurina confessed her thoughts to Tatsuma (Daichi Kaneko), but Tatsuma passed it through. Awkwardly, the two were selected as class officers at the school festival, and decided to work toward the success of the takoyaki restaurant with Aki (Honoka Yahagi) and Tada (Shuichiro Naito). However, Izumi (Natsumi Ikema), who learned of Yurina's feelings for her Tatsuma, harassed Yurina! And finally the secret of Tatsuma is revealed!