START-310 _Challenge TOP server for girls and the ending

Tachikawa, a young man who is still a virgin, falls in love with Suzu, a naginata swordsman who studies at the same dojo. But Suzu has a boyfriend named Yamazoe, who was also a martial arts student here, is currently a professional player, and has won a world championship. But Yamazoe doesn't care about Suzu at all, he only cares about her beautiful body. Even after making love, he told her to leave, even though Suzu had many things to confide in her boyfriend. Her boyfriend's attitude makes Suzu sad, affecting her practice. Knowing everything, because he was worried about Suzu, Tachikawa challenged Yamazoe to a fight. If he won, he would have to break up with Suzu. On one side is an obscure chicken who has not yet become a master, and on the other side is a world champion. And the result was extremely obvious, Tachikawa never had a chance to fight back. Although he lost to Yamazoe, Tachikawa won Suzu's heart...