Deep End

[Mermaid BL] Xavier, Prince of Coralia, made a fatal mistake in his youth, which lead to him being captured by a fisherman. The prince got sold to an aquarium, where he had his first encounter with a blonde boy named Seiya. Xavier managed to escape, but as fate would have it, the two would meet a second time after 15 years. It had to be destiny, because as it turned out, the two needed each other much more than they could have imagined...