⚠️Warning: This is my first story⚠️ Having had his family slaughtered by a demon, Tanjiro is determined to hunt down Muzan and kill him. As he trains alongside his friends Zenitsu, Inosuke, and the demon slayer pillars, something unexpected happens, which twists Tanjiro's fate and leads him into the darkness. Will he survive it all, or will the darkness drive him insane?