1-5. Zutto Natsuyasumi (ずっと夏休み)
When they were young, Misaki and Ilia made a promise with their older brother to become his brides when they become adults. The older brother doesn't take it seriously, thinking it impossible, but the two sisters are determined to make it work. Now that they are older, they can use their bodies to convince him to place on them as well as the promise the importance they all deserve.

6-7. Iinchou no Himitsu (委員長のヒミツ)
Minori is a diligent class rep exempt from PE. She usually spends that time in the library, but one time she visits her classroom, only to discover her homeroom teacher, Karasudani, sniffing her classmates' uniforms, probably also making him the culprit behind the underwear disappearences. She tries to convince him to turn himself in in a remote room, but is instead ask to take responsibility and cure his boner.

8. Sakurako no Nagai (桜子のながい一日)
Sakurako and her older brother aren't able to finish their morning routine today because she overslept after playing games late. This causes the older brother to be understandably dissatisfied, so he decides to punish her: she is to wear a dildo through the entire school day.

9. B no 2/2 (Bの2/2)
Class rep gets locked in inside a small repository alone with Adachi, a guy she definitely did not specifically ask to help, most certainly a random replacement for her usual partner. As time passes, her frustration mounts due to Adachi's carefree attitude and her urgent need to pee. Will she be able to hold it in until someone finds them?

10. Ai no Seibun Muchousei (愛の成分無調整)
Ai, a popular idol, is supposed to star in a milk commercial. However, she hates milk, so she runs away from the set, hiding in male toilet. When two guys enter, she sees her chance to try out the milk that comes out of boys, which she heard from her senior to be delicious.

11. Momoiro Sandwich! (桃色サンドイッチ！)
Jin is being tutored by his older sister, but her large neckline doesn't allow him to focus. so she decides to relieve him first. However, before they are able to move on the the main act, his younger sister returns, mad that the older sister is stealing her turn at having sex with Jin.