Tomoko's class is bustling with preparations for the upcoming culture festival. Having contributed nothing whatsoever with two days left before the event, Tomoko decides she'd better help today, or who knows what her classmates will say? So she musters up her courage and speaks up, but a tragedy occurs in the middle of her task... That night, Tomoko tells Yuu-chan about the upcoming festival, and Yuu-chan says she'll come on the second day. Tomoko is determined to do the best she can to enjoy the festival...

The culture festival is over, and it's back to life as usual. As fall sets in, Tomoko asks herself what exactly she's been doing all this time, and begins to feel like her life is flashing before her eyes... Making the decision to focus on the future instead of regretting the past, Tomoko finds a future plans questionnaire in her school bag. She decides to call Yuu-chan to see what she thinks, but is reminded of a past she'd have just as soon forgotten...