If you enjoy the popular anime series, you have to pick up our officially licensed Demon Slayer Socks. Tanjiro eventually was forced to become a Demon Slayer to avenge his family and save his surviving sister. Demon Slayer Fox Mask Crew Socks Before he was the Sun Harshira, Tanjiro Kamado was a loving brother and son growing up outside a small village during the Taisho-era of Japan.