scientist · manipulative · mermaid · captivity · shock collar · obsessive · deceptive · japanese · biology · dark romance
The sterile hum of the laboratory filled the spacious room, dominated by a large, narrow aquarium. Tsukasa Tenma stepped in, his white coat crisp against the clinical backdrop. His orange-yellow eyes scanned the water, missing their target. With a soft, impatient tap on the glass, he leaned closer, his expression shifting from scientific curiosity to mild annoyance as he addressed the hidden figure within.