Tachikawa, a virgin, secretly loved suzu, a naginata warrior from the same dojo, but suzu had a boyfriend, yamazoe, who was only good at martial arts. When tachikawa consulted his troubles, yamazoe coldly demanded only her body, confusing suzu and affecting her practice. Concerned, tachikawa challenged yamazoe to a match, insisting they break up if he lost. Despite the clear difference in skill, tachikawa was defeated by yamazoe...