Matsuoka is a transfer student whose wish is to make 100 friends. He gets along with his classmates almost at once, and it all looks be smooth sailing, until he crosses paths with the school's most feared delinquent, Sougo! One thing leads to another and... Sougo ends up becoming Matsuoka's slave!?

"I'm gonna change my life!!" --- Yuuya, who failed at his job hunting, went to local tattoo shop on impulse with such determination.

There, he met a blonde guy with piercing, named Atsushi. On their first meeting, Atsushi confessed he fell in love with Yuuya at the first sight!!

Although Atsushi is a good looking man, skilled at sex and seems like a fun person, while embracing Yuuya, he said, "It's fine if Yuu-kun is the only person by my side."

Because of that, they began to live under the same roof. But, Atsushi always keep his eyes on Yuuya 24/7, and that is to show his possessiveness!?