Demon Slayer: Kimetsu no Yaiba
Trainer Sakonji Urokodaki
S1 E2:
At Giyu Tomioka's urging, Tanjiro heads for Mt. Sagiri with his sister Nezuko, who's been turned into a demon. During the night, Tanjiro catches the scent of blood from inside a temple. He enters, thinking that someone might be hurt, only to come upon a man-eating demon. When the demon attacks, Tanjiro manages to fight back with his axe, but the demon's strength is overwhelming. Just as the demon is about to finish him off, Tanjiro is saved by none other than...