As the Underwear Society make preparations for the drama club, they are asked to participate in the performance. After school, Nayu runs into Kiyono, who had heard about Keigo's job offer. The next day, Nayu takes on some extra work whilst Kiyono tells Hiroki about Nayu's apparent transfer. He confronts Nayu about this, who asks him to stay quiet until after the festival. On the day of the festival, Tsukamoto confronts Mizuno and Nayu about the society's appearance in the magazine. She asks the play to be cancelled, but Mizuno stands up to her and tells her to hold her judgement until after she's seen their work. However, during her inspection, Nayu's old elementary school teacher comes in a berates Nayu. Thankfully, both the society members and Tsukamoto stand up to him, the latter of which allows the play to take place. After a successful performance, Nayu tells Yako and Haruka that she's transferring as Keigo tells Mizuno the same thing.
協力した雑誌を見た演劇部から、衣装用下着の製作と劇への出演を依頼された同好会一同。だが奈由は、圭吾と一緒に京都に引っ越すことを、まだ誰にも打ち明けてなかった。
ただ一人事情を知る清乃から、奈由のことを聞き心配する小町だったが、奈由は文化祭が終わるまで、みんなに引越しのことは秘密にして欲しいと頼み込む。
ところが文化祭当日、記事の内容を知った塚本先生から、奈由は演劇の中止を言い渡されてしまう。
A medida que la Sociedad de Ropa Interior hace los preparativos para el club de teatro, se les pide que participen en la actuación. Después de la escuela, Nayu se encuentra con Kiyono, quien se enteró de la oferta de trabajo de Keigo. Al día siguiente, Nayu realiza un trabajo extra mientras Kiyono le cuenta a Hiroki sobre la aparente transferencia de Nayu.
