"Poor Mia, who worked as the handmaiden of the villainess and died with an unjust accusation." That was Chae Mi-ah's past life. She always stood by the villainess's side and watched her evil deeds, and only ran away because she was scared... Mia, who felt great disillusionment at such a weak appearance, hears an unknown voice... ' [If you go back, will you make different choices?] 'You're going back...? Will I be different if I go back...? But... if I don't even try, I'll never be able to change...!' Mia decided to go back to her past life and change her actions. And she returns to the moment she first met the female protagonist who had tormented her. 'I'm going to live a life that is honest to myself.' Mia's counterattack began at that moment. "The refreshing counterattack of the 'female protagonist's friend' against the 'female protagonist' who was created!"