Desharow Merman/德萨罗人鱼 by 深海先生 (English TL)
Erotic alpha merman / Curious adventurous biologist Weird, thrill, hot. Soft science fiction background. Casual version summary: A biologist studied a dangerous merman and got fucked. Serious version summary: Biologist Desharow joined in an oceangoing voyage to finish his merman project with his teacher. He "caught" a...