Karin's job well done has turned into a disaster! The DNA Control Medicine was supposed to rid Junta of his lady-killer genes, but instead she's accidentally forced him to become the legendary "Mega-Playboy"! Worse yet, he's already begun his conquest, starting with Tomoko, the most popular girl in Junta's school. But Tomoko's already got Ryuji, and her boyfriend's not afraid to let Junta know it