Part of Your World

Jungkook had always thought he was a normal merman.
That was... up until he met Park Jimin.
Suddenly, he finds he can walk on two legs and do other human-y stuff-which happens to include winning over the only person he's ever loved.
Days turn into weeks and weeks into months, and Jungkook's found himself used to the ability to switch from fins to feet.
In an attempt to discover the nature of his extraordinary ability, Jungkook stumbles upon a secret.

A secret that will cost him the one person he loves.
A secret to destroy everything he's built with Park Jimin.