Mona is the most popular girl in school and can make any boy swoon, except one: Medaka Kuroiwa. As per usual, she's engaging in a heated battle with him to make him fall for her. This time, she also has the help of her fangirl Tsubomi. She tried all sorts of aggressive tactics during the school festival, and even shared an umbrella with him on the way to school, all in an effort to make him pay attention to her! But before she knows it, it's her heart that's fluttering! What's more, she now has to contend with a formidable kouhai who's also gunning for Medaka. The battle for Medaka's heart is about to get even more heated!