Renai Senka

is a japanese manga series written by Mizutama. It began serialisation in the February 2010 issue of Manga Time Kirara Forward.

The series was released under 5 volumes from July 2010 to September 2012.

Synopsis
Nobuta Yabuta is a beginning teacher appointed to the prestigious girls' high school Sakura Gakuen, but in fact, he has gynophobia. There are five girls who are supposed to become first-class ladies in his classroom. It is called "love specialized course" or "Renai Senka". The mission for the girls in order to graduate is just one thing; to be kissed by the homeroom teacher. They tempt Yabuta in every possible means so that they win a kiss from him...

(Source: Amazon JP - Translated)