Drowning

Nagisa, a mermaid, saves Rei's life after pulling him from dangerous waters. Haru, another mermaid, found Makoto stranded on a small, foodless island. And Rin, a prince, has a forbidden friendship with a servant. Mainly Rei/Nagisa, Haru/Makoto, Rin/Sousuke. Will have Gou/Mikoshiba too Rating may go up