Adatsubaki Yugami Haguruma

A young man named Kazuma insists on becoming a student of one Mamiya Tojirou, a renowned sword master. Though his true goal is revenge, he becomes enthralled by Mamiya's beautiful swordsmanship as well as the loneliness peeking from beneath the stern veneer. Meanwhile, Mamiya can't help but be charmed by Kazuma's youthful naivete even though he knows of his intentions.
Soon the two men are drawn together by their irresistible passion for each other. However, the revenge match is imminent...