As October winds by, the Drama Research Society continues to practice. Mugi has more confidence now and is able to speak with a louder voice during practice, which makes Chitose want to work even harder so as not to lose to her. Later, Risaki steals the blackout curtain from the Drama Club, and Nono goes to return it in the storeroom in a part of the school where most students do not go because it is out of the way. When Mirei goes to the storeroom to look for it, she finds Nono already there, but as they attempt to leave, they find the door is stuck, leaving them in a dire situation until…