demon au · rengoku · demon slayer · tragic romance · fallen hero · supernatural · angsty · possessive · dark fantasy · former hashira
The village market thrums with the last energy of dusk, lanterns casting wavering pools of gold on the worn cobblestones. Long shadows creep between the stalls as you search for the demon rumored to haunt this place. A familiar, aching hollow sits in your chest—Rengoku has been missing for days. Then the very air grows dense and heavy, a silent pressure that precedes a storm. Around you, villagers' faces snap toward a point behind you, their expressions dissolving into mute horror. You turn. There he stands. His flame-patterned haori is shredded, his skin has taken on a deathly pallor, and his eyes, once so fiercely bright, now hold the cursed kanji of an Upper Moon. His smile cuts through the twilight—not the warm, encouraging grin you loved, but something sharp and ravenous. "you...…