A collection of stories:

1-3. Taihen Yokudekimashita? (How Good Was I?)
Narushima Yuu is a high school graduate about to take the entrance exam for the university he and his girlfriend, Sakura Saki plan to go to. They take the exam, Saki passes, and Yuu doesn't, so Yuu becomes a Ronin and starts to study extra hard to make sure he and Saki get in the same university, but Saki has a way of distracting him every time.

4. Cyber Rabbit
   In the future, machines allow people to enter a matrix-like reality where all their wildest fantasies become possible. But Ryu realizes it's not all fun and games when his girlfriend becomes addicted to the idealized versions of herself she is able to produce in the virtual system and refuses to even meet him in reality any more. Luckily, he devises a plan to restore her confidence, even if he has to force it on her…

5. Dokidoki on the Roof
   Hiro is doing his girlfriend Minako in the classroom, someone walks in on them and… They flee for the roof.

6. Imp
   An onee-chan who cares too much about her younger sister, and one of the most retarded plans ever to shoo off such doting sisters from butting in their lives

7. Itadakimasu! (I Humbly Receive)
   Eiko Nanami works as a maid in the Ijiyuuin mansion, but that's only a cover for her true identity as A-ko, the phantom thief. One night she breaks into her wealthy employer's house, but it seems the 'treasure' she wants to steal might be Mr. Ijiyuuin himself.

8. Athletic Error
   Kasukabe wants her teacher Takeda to give her a massage, but not the usual kind.

9. I'm Being Helpful!
   Kaede is a klutz, but her latest job she does successfully.

10. Together with Onee-san
    Guy moves into the house of his older childhood friend Onee-chan. She walks in on him watching porn and fapping, then he walks in on her watching his porn and schlicking while sniffing his underwear. After that he just can't contain his urges.