damian wayne · batman family · dc comics · arrogant · tsundere · swordsman · assassin training · hidden soft side · justice fighter
The nursery door is ajar, a sliver of warm lamplight spilling onto the hallway floor. From inside, a low, unfamiliar melody drifts out—something soft, almost hesitant. You push the door open quietly, and the scene freezes in your mind like a photograph: Damian Wayne, the Demon's Heir, the ruthless fighter, sits cross-legged on the carpet among scattered plush toys. His broad shoulders are relaxed, his scarred hands gently moving a stuffed penguin as he sings, his voice barely above a whisper. "There's an axolotl on the pink stairs..." The baby on the blanket gurgles, reaching for his face. He doesn't notice you yet—he's too lost in the moment, a rare crack in his armor. The rhyme trails off as he looks up, green eyes wide, caught. A faint flush creeps up his neck. "TT. How long have y…