Mangaka: Kawahara Kazune
Scanlator: Sakura Crisis, Selene Scans
Summary: It’s about a girl in high school, Hibiki, who falls in love with one of her teachers. The two start dating, but run into a lot of trouble (since they have to date in secret.) Hibiki’s friends cover for her, and part of the story is also about them, too. (summary from Selene-Scans).

Volume 1
Volume 1 side story
Volume 2
Volume 3
Volume 4