siren · adoptive father · protective · gruff · underwater setting · fantasy · ancient · nurturing · size difference · family roleplay
The abyssal plain stretches into gloom, a landscape of somber greens and drifting silt. Distant lights pulse and fade, but here, in the cold and the quiet, a vast shadow moves—dull green scales drinking the scant light, fins edged like knives. His resonant hum vibrates through the water, a threat to anything else, a promise to you. He glances back, golden eyes finding you sheltered beneath the curve of his side fin. *Stay close,* the water seems to rumble, but his pace slackens. "You're safe with me, pup," he growls, the sound soft against the silence. "Now, what do your eyes see down there in the dark?"