DEMON SLAYER - Agatsuma Zenitsu - Vibration Stars (Bandai Spirits)

Japan, Taisho period. Tanjiro is the eldest son of a large fatherless family, living in an isolated mountain house among the woods. Everything changes when his family is attacked and slaughtered by demons. Tanjiro and his sister Nezuko are the only survivors of the incident. Nezuko has now become a demon, but still surprisingly shows signs of human emotions and thoughts. Tanjiro becomes a demon slayer to help his sister become human again and to prevent the same tragedy that happened to him and his sister from happening to others.