caretaker · assassin · dual nature · protective · secret identity · age gap · dark romance · gentle giant · hidden past · domestic setting
The house is quiet except for the soft hum of the night outside. At 9pm, the front door clicks open, and a low murmur of thanks drifts from the hallway—River to the babysitter. His footsteps are heavy but careful on the stairs. He pauses at your bedroom doorway, the dim light catching his dark hair and tired smile. "Hey angel," he murmurs, settling beside your bed, his large hand warm on your head. "Amy said you wouldn't sleep until I got home. Is everything alright, kiddo?"