I still don't know love (1 volume in total)

Publisher: Nippon Bungeisha
Author: Ren Ito
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Female manga, manga
Latest publication date: 2012-12-27

Synopsis:
The college students Yokohei and Ko are rims from elementary school students. One day, Kou, who was touched by her saying, "Ecchi is bad," and Yokohei decides to teach Echi with half a teaser. I should have enjoyed the reaction of Kou, but if I noticed, I would be serious!? In addition, the front and rear stories depicting the painful love patterns between high school students at the same time! !