[Mariposa Spanish for Butterfly] Today was the day. The day when Marinette would tell Adrien how she felt about him. But then... It all goes wrong... Witness the fall of Ladybug and the rise of Mariposa, Princess of all Akuma's.
Already the second semester of University and Marinette STILL hasn't confessed to Adrien. When her mouth decides to slip up just in time for Valentine's Day, things go a lot better than her luck could have ever imagined.