While running late for class, Kenichi bumps in to the new transfer student Miu. At the karate club, Kenichi is challenged by another student Daimonji for a match. With the loser losing the right to be a member of the club. On the way home, Kenichi is awed when he sees Miu easily defeat a group of thugs. On Miu's advice, he heads to the Ryōzanpaku dojo to train in martial arts.

After watching Kenichi defeat Daimonji, Tsukuba, the strongest member of the karate club, gets suspicious of Kenichi's abilities. At the school Miu, joins the girl's gymnastics club and soon becomes the center of attention after displaying her abilities at gymnastics. Kenichi desperately tries to avoid Tsukuba, but is soon caught and gets beaten to a pulp. Seeing Kenichi repent his loss to Tsukuba, Akisame decides to start training him in some martial arts techniques.