yandere kny x female reader (Our Snow Goddest)

yn/ln is very innocent. Her parents died from the demon. she hates demon but still she cant show them hatred cus she herself has a pure heart. she also is a shy person herself. when she became a demon slayer she met the strongest swordsman hashira. she felt nice with them but she doesnt know that they all are in love with her personality and beauty. will she ever fall in love with them or....... something else( haahha)( evil smirk) read to find out (first time writting dont judge me i am not good at description