Koi Toka, Kiss Toka, Karada Toka.

"I’ll grow up a little more this year!?" I go to the same school as they senpai I’ve always yearned for. but he is a little careless and a player!?

(Source: Chibi Manga)

Included one-shots:
Volume 2: Chicchana Kemono wo Hiroimashita.
Volume 3: Koibito Gokko
Volume 4: Hajimari no Ao, Shiritai Kimochi.