Demon Slayer: Demon Swordsman

Nezuko Kamado, the only relative of Tanjiro Kamado after his family was murdered by demons were accidentally killed in the test to prove that Nezuko will not hurt a human. Trapped from his grief, will Tanjiro choose to obtain revenge, or keep his duty as a Demon Slayer? Note that this work is purely fanfiction and no intended plagiarism is considered.