As each of the classes work on their projects for the upcoming festival, Shuichi reluctantly asks Doi to help him revise his script. Saori later invites Shuichi and Yoshino to try on some dresses, reminding them of the fun they had when they were younger. The festival soon arrives, with various attractions taking place. Shuichi runs into Anna, who apologizes for the mean things she said during their break up. As the play begins, Shuichi notices his voice has dropped, but he stays strong and steps onto the stage.
文化祭の倒錯劇の脚本を担当することになった修一は、保健室登校を続けながらも、劇の練習に顔を出すようになる。土居は修一の脚本にアドリブを足してアレンジするが、それが意外に好評で、修一は思い切って土居に脚本制作を手伝ってほしいとお願いする。一方さおりは、久しぶりに修一とよしのを自宅に招き、小学生の頃のように女の子の服を着てみないかと誘う。あの頃には戻れないけれど、それでも……。修一はさおりのワンピースを見つめながら、ぼんやりとそんなことを考える。そしていよいよ、文化祭の日がやってくる。