Untold past [ Giyuu X Fem Reader ]

[Completed] Giyuu and Y/n, two lovers who got seperated after giyuu's final selection. Y/n always went to find giyuu but fate didn't let them see each other. Y/n trained to be a demon slayer like giyuu, thinking maybe they could meet in a mission. she trained under jigoro kuwajima the former thunder hashira, she train...