Stream anime episodes online for free, Watch My Bride is a Mermaid Episode 12 English version online and free episodes. Anime Episode guide, Chapter My Bride is a Mermaid Episode 12 English dubbed A Slave of Love Nagasumi’s mom and Sun go shopping for groceries, leaving Lunar alone with Nagasumi. Lunar plans to make her “slave” help her study for school since she is getting zeros on all her tests. Eventually it gets to the point where Lunar starts to come on to Nagasumi while outwardly stating that she would never fall in love with a human. Through many badly timed, but well-meaning errors, Nagasumi ends up being engaged to Lunar.