Hyakujuu no Ou ni Tsugu!

This is the liberated area where you listen to girls will, a girls high school! in this class, there's a king. Me, Yuka! My friends are counting on me and boys are afraid of me! But that kind of paradise will suddenly break up by a thirty-year old man!! dates will take place in golf areas and kisses will have the taste of smoke...

(Source: Chibi Manga)

Included one-shot: Jiwari, Koi ni Naru.