Airi reveals that she has been living alone since she entered Yuijo and does not have much money to spend on living expenses. On the way back from the supermarket Shingo and the others stop by Airi's apartment and everyone helps to make dinner. Airi asks them to keep her living situation a secret so as to maintain her image at school. The next day, Airi eats lunch with Shingo and the other girls. Airi keeps her promise with Shingo and helps him as well as Sakuno, Angelina, Miu and Sana study for the upcoming tests...