Takeda Ryudo

He is a cheerful man with a sporty personality. He is a nice guy whose teeth shine when he smiles. Although he loves sweat and guts, he laments his own misfortune in this environment that is essentially an all-girls school.

At the time, two boys finally enroll in the school, and he is overjoyed, but is disappointed that they are far from the ideal type of characters that he envisioned. Then Lisa, a sporty athletic girl, arrives and is a lovable character who is enthusiastic about combat, and it is as if he has finally gotten what he always wanted.