Demon Slayer: The Wind Never Dies Down

She's a weak college student from the 21st century. He's the mighty Wind Hashira of the Demon Slayer world. After transmigrating into the Demon Slayer world, she nearly became the enemy of the main cast. After a misunderstanding, where will the two of them go from here? Many liberties taken and plenty of original plot. Apologies for any out-of-character moments.