"A fateful encounter between Joy, a girl with a special gene, and Moowon, who has top class super abilities!"

The average girl Joy suddenly becomes the target of super powers due to her genetic mutation that she never knew about.

The super power Moowon, who is at a supreme level, gets sent to protect her.

And then out of the blue, Joy's gene makes Moowon feel strongly attracted to her no matter how much his rationality tries to resist...