Eiken Volume 12 Manga  Paperback – October 7, 2008 
 
by Seiji Matsuyama (Author, Illustrator)
Densuke and Chiharu just can't get a break. Every time they try to spend some time together, something or someone comes between them. Densuke truly loves Chiharu but sometimes his libido distracts him and he gets a little confused...but then who wouldn't with gorgeous cuties like Hikaru, Yuriko, and Miharu around.