this is an AU reincarnation story about giyu and shinobu.🌊🦋 shinobu died in her battle against doma. giyu waits 100 years until he could see her again and fulfill his promise to her. Other ships will be in the story. (i don't own demon slayer, that goes to gotoge) (cover art isn't mine either) (there will be manga spoilers so do read with caution)