You and Giyuu were both hashira for the demon slayer corps. That was until you went missing during a mission and never returned.

Giyuu was devastated, he planned on confessing his love for you that day, and now you were dead… or so everyone thought..

Around 2 weeks after your “death” Giyuu got sent on a mission, he was walking in a dark forest when he saw a face that looked too familiar… he immediately called out your name “kotha yashiki..!?” *but when you turned around, you were a demon