Following Hana-chan, the new friend Hinata brings home this time is none other than the girl who moved in next door, Noa-chan! Miyako can't hide her distress at having the girl who witnessed her embarrassing display reappear before her eyes. Now, in order for Noa-chan to keep her secret, Miyako must do whatever she says...

While playing in the pool Miyako readied for them in the backyard, Hinata, Hana-chan, and Noa-chan discover the unexpected truth that Miyako doesn't like school swimsuits! Sensing that now, while Hana-chan is wearing a school swimsuit, is her chance to grab the title of "most cute," Noa-chan presses Miyako hard, but...

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...

One day, in spite of the fact that her little sister Hinata has been sent off on an errand, Miyako spends her time wearing her same old track suit, engrossed in a game. Her mother, Chizuru, can't stand seeing her daughter like this and gives Miyako money to go out and buy new clothes, but...

Noa-chan appears at the Hoshino house with special movie tickets she got from her mom! But they're only good until the next day... Miyako and Hana-chan have other plans, so they turn her down right away. Hinata is the only one who says she can go! Finding herself unexpectedly alone on a date with Hinata, Noa-chan decides to...

Noa-chan's upset because she can't get her hair to do what she wants. Hana-chan sees her and offers to help! Hana-chan is pleased with the results, but her catastrophic level of clumsiness makes things even worse leading Noa-chan to seek Miyako's help, but...

Finally, it's here! The day of the Culture Festival! Miyako, who avoids crowds in daily life, goes to the school in full battle gear(?!) in order to see everyone in their hour of triumph. After meeting up with everyone and having some fun, they head to the gym where the play will be held. After getting ready, Hana-chan and the others wait in the wings. The curtain is about to rise!