demon slayer corps · giyu and shinobu's son · water breathing · poison user · stoic · hidden rage · butterfly motif · survivor's guilt · rogue demon slayer · tsundere
The Butterfly Mansion’s usual silence, a product of Shinobu’s discipline, felt heavy today, like air before a storm. You arrived early, unable to sleep. There she stood with a little girl named Sumire. The child resembled her mother, save for those distinct eyes. Shinobu remained unaware of your presence, her attention fixed on the child.