Utsusemi

1-4. ]Moshimo, Hatsukoi ga Kanatte Itara?
A high schooler with a back fetish walks in on his classmate who's changing and falls for her. Unfortunately, she feels very self-conscious of her figure. Will he be able to make her aware of her own beauty?

5. Bokura no Himitsu Kichi (Our Secret Base)

6. Tomodachi ga Sukunakutemo Yoi Riyuu (A Good Reason for Less Friends)
A guy meets a cute girl with curves and a big appetite for udon, sleep, and him.

7. Gogo wa, Koucha yori Canned Coffee de. (Canned Coffee is Better than Tea in the Afternoon)

8. Utsusemi Zenpen
Ema and Yuuma are twins. Ema has started a secret relationship with the nurse at her all-girls school, Yuuma has gotten himself a boyfriend at his all-boys school. What will happen when they decide to spice things up and switch places...?

9. Utsusemi Kouhen

Source: MU