Heavenly || Muichiro x Reader

── ❝ I know that I already disappeared from your heart. But please, don't forget my name. ❞

After y/n returns from their short break, they were only to witness their loved ones die to demons. Before y/n could meet the same fate as her loved ones, she was saved by a young boy. As y/n was about to show their gratitude to the boy, he suddenly vanishes. Being driven to determination, y/n decides to work under Demon Slayer corps.

As time passes, and y/n finally get noticed by the Hashiras. Being spotted from them, y/n coincidentally gets chosen by the Mist Hashira to be his tsuguko, who goes under the name of Muichiro. Turning out to be the same person who saved y/n many years ago. This gives y/n the advantage to get know Muichiro better, only for it to blossom a complicated relationship between each other.