Usami is a beautiful classmate with good morals and top grades. At school, she views Sakuto as her rival. But when he bumps into her after school, he sees a different side of her. She was playing at an arcade after classes, and she had this innocent smile that one couldn't imagine on her at school.

For the sake of getting along with her, he gets close to her at school and then plays together with her after school. They each have their places where they can deepen their bonds, and at last...

This is the start of a heart-warming love triangle romcom!

When she got into a pinch on the day of her high school entrance ceremony, Momose Minori transformed into a magical girl! Together with her classmate Shiori, will she join the magical girl club her seniors founded...?