Kimetsu no Yaiba
Summary
Upon returning home after running an errand, Tanjiro Kamado discovers to his horror that his entire family has been murdered by a smooth criminal! Only his younger sister Nezuko has survived, but the attack has turned her into a bloodthirsty monster. Tanjiro and Nezuko become entangled in the affairs of a secret society, known as the Demon Slayer Corps, that have been waging a secret war against demons for centuries, all the while searching for a way to restore Nezuko's humanity. Eddie, are you walkin?!