Siwon is the last heir for his Choi vampire family.Siwon was forced to marry with the Im vampire family heir so both vampire family will have their next generation heir.Siwon don't want to get married yet.The Im vampire family,Yoona just follow what her parent ask her to do.Siwon is planning on something.

Choi vampire family and Lee vampire family are the respected vampire families.Lee vampire family heir,Donghae is close to Siwon because both of them will take over their own vampire families.Siwon planned an escape with Donghae to avoid the marriage.They planned to got to the mermaid seashore area where it is far enough from vampires.

Tiffany is the child of the queen of the mermaid kingdom.Tiffany don't like to be in the water and often to the shore.One night Siwon saw Tiffany at the sea.She was combing her hair under the moonlight.Vampire and mermaid,a weird combination.Is there a fang for love or a splash for romance soon?

Characters

Choi Siwon

• The Choi vampire family heir.
• Ran away from kingdom to avoid been forced to marry Yoona.
• Met with Tiffany and soon starts to like her.
• Changed Tiffany into a vampire and marries her instead of Yoona.
• Charismatic,handsome,muscular,responsible and a born leader.

Tiffany Hwang

• The heir of the mermaid kingdom.
• Met with Siwon when he save her from the kidnapper.
• Fell in love with Siwon and willingly turned into a vampire to help by marrying him.
• Naive and shy girl.

Lee Donghae

• Lee vampire family heir.
• Siwon's best buddy.
• A sanguine person.

Im Yoona

• Im vampire family heir.
• serious and firm.
• Melancholy person.