The Merman, My Man
That young girl dressed in a kimono was already long gone, and she would be an elderly woman near the end of her life in human years.
“But my story isn’t all that nice. In fact, it is full of pain and deceit. I call that merman Asura, and he turned out true to his namesake—an Asura of vengeance.”
Mary closed her eyes as she returned to her painful memories, her eyelashes twitching slightly. “Because I’d successfully seduced him as bait, I brought a war of slaughter and greed upon the merfolk. The human clans I had been in killed many of them, and would use them for various cruel experiments, and they paid the price.”