As the summer cleansing ceremony approaches, Tatsuo tells Satoru to invite some friends, which leaves him flustered. He continues to practice hard as a member of the kendo club, but he hasn't managed to break the ice with the other members. One day, he gets in a fight with Kosugi, another member, and ends up in a kendo match against Kinugawa, the captain.
Make sure you use it 
correctly, you bad boy.
Sei sicher, dass du es richtig 
benutzt, böser Junge.
Dale un buen uso, rebelde.
Dale un buen uso, rebelde.
Fais-en bon usage, 
vilain garnement !
Vedi di usarlo bene, cattivo ragazzo.
Use-a com cuidado, seu delinquente.