It is one of the major women (1 volume in total)

Publisher: Kodansha
Author: Azusa Tachibana
Size: 112mm x 174mm
Number of books: 1
Language: Japanese
Category: Girl manga, manga
Latest release date: 2004-08-11

Synopsis:
For the first time, probably not many girls who are not confused. I'm not interested, not. But a little cute. The first one night trip. This, tonight ...!? "Megumi and Kenta"/He wants to do it. "Saki and Shunichi" I don't want to do yet/He younger. But it's still a virgin! I want to deepen my bond, but I'm scared and painful ... "Chika and Takei -senpai"/4 works depicting the "first" of a girl!