Miyako suddenly says she's going to university, shocking Hinata and the others! Unable to believe that Miyako is really a university student, Hinata and the others tail her. They successfully infiltrate the campus, and just when they are at a loss as to how to find Miyako, a young lady who knows where she is calls out to them...

Hinata's class is putting on a play for the school Culture Festival, and the one nominated by Hinata to play the lead, the one who won the lottery, beating all those who volunteered for the part, is none other than Hana-chan! Miyako, delirious with delight, decides to buy a video camera to capture such a precious appearance, but the girls have something to ask of her...

The girls go camping at the lake for their vacation, bringing a reluctant Miyako with them. Koko recalls her friendship with Miyako, through rose-tinted goggles, of course. During Halloween, Miyako anticipates what costume Hana will be wearing, only to end up having to cosplay herself for Koko and Yuu. Miyako recalls when Hinata was born, quickly bonding as sisters.