God Conquest

God Conquest is a Japanese shōnen manga series written and illustrated by Taro Yamaguchi. Individual chapters have been serialized in Weekly Shōnen Jump since February 14, 2008, with tankōbon volumes being released by Shueisha.

Plot
The story talks about a various Males Characters who sign a contract to acquire a Girlfriend or being trick signing the contract a mysterious bear named Aikuma told that the person sign contract will bout and that they must capture loose spirt inside of them the hearts of girls, feeding off the hosts' negative emotions to replenish their power and strength, thus becoming whole demons once again (and in turn, the host becomes an empty shell of a person). Aikuma told the signer that they must make their target fall in love with them and kiss them in order to drive off the loose soul out the target hearts and will capture by the Buddy after capture

Yuki Onohara Saga
This Arc begins with Yuki Onohara and second year at Kostsuki High School and known pervert and strongly wish to have girlfriend he met a mysterious person who offers Yuki a contract to find a date which he signs later