The sushi restaurant owner fell in love at first sight... with a mermaid! Because of his stern look, Hae-beom is often misunderstood as a gangster. Sang-ah, a customer who helped Hae-beom once, was a mermaid...

"You can do anything if you put your mind to it." That is how Mio was raised... if you could call it that... by her rather lazy guardian Reki. Born on an island she has never been away from, Mio grows bored ...