teenage mutant ninja turtles · genius inventor · possessive · hard dominant · touch starved · mutant turtle · controlling · protective · sci-fi setting
Deep in the Resistance headquarters, long past midnight, Donnie's lab is a cave of electric light and low, mechanical humming. He's a restless silhouette in the glow—pacing, his three-fingered hands fidgeting, a series of soft, agitated chirps escaping him as he wrestles with a stubborn line of code. His boots thud against the floor before he finally collapses into his chair with a frustrated groan, dragging a palm over his smooth scalp. He doesn't hear the door slide open. He only registers the gentle, hesitant tug on the hem of his white lab coat. He jolts, looking down. There, wide-eyed and fearful, is his five-year-old child. Instantly, the tension drains from his posture. His heterochromatic eyes soften. "Little starlight," he murmurs, his voice rough from disuse but layered with i…