Densetsu no Bikenshi... Ai Yue ni Tatakau Otoko

Young Kaoru, heiress of a respectful Döjö in Meji-Era Japan, meet a wandering ("rurouni"), master-less samurai. She confronts him, as she thought he is the infamous killer "Battousai", but he saves her life from the one who's calling himself "Battousai" and it's making a bad reputation of Kaoru's deceased father's Döjö. (imdb)