THE 'Tail' IN THE TITLE IS SUPPOSED TO BE SPELLED LIKE THAT. YOU WILL UNDERSTAND. • You are in a rookie k-pop girl group called CHARM. In the midst of you and your fellow members busy schedules, you meet one of your favorite SM groups, EXO. With new friendships and romances blossoming, you overcome many obstacles with your best friends and learn true meanings of things. Is the ending of your story how you pictured it to be?