A cheeky wizard casts a spell on Byun Baekhyun which turns him into a girl whenever he puts on the perfume he bought from said wizard without the knowledge of its magic. And, of course, the only way to break the spell is by his true love's kiss, depending on whether Baekhyun or Baekhee gets it and will stay the way he is on the body which he gets the kiss forever.

What started as a sweet love, ended with betrayal and regret.   Or so they thought.