Description：The protagonist Mizuno Takahiro used to be invincible in the Japanese jousting tournaments, so in order to test his strength, he went abroad to study and participated in more competitions. He was accidentally injured in a competition and lost, and then retired from the jousting and switched to being a knight assistant. It was almost time for the jousting tournament. In order to train excellent knights, Mizuno Takahiro met all kinds of noble young ladies in the school as an assistant. The once frustrated knight became today's knight assistant, and together with the young knight, he started this long and fierce battle.