The strongest delinquent who boasts of being undefeated, Katsuo Nikaido, also known as “Kenoh”. However, no one knows yet that behind the many undefeated legends, there was a single girl's secret move... Her name is Tara Nikaido. In the name of her brother, she was the strongest girl who fought secretly and slaughtered many strong men... "Crotch Musou" original author's latest work! "Tsuyokawa JK's slightly naughty strongest fighting legend begins here!" ! !