Haruna Nagashima devoted herself to softball while in middle school. Now that she is in high school, Haruna believes it's time find a boyfriend. Unfortunately for Haruna, she never paid much attention to trends and is now clueless on how to attract a boy. Through a fortuitous event, Haruna encounters popular upperclassman, Yoh Komiyama. Haruna asks Yoh to teach her how to become attractive to boys, and he agrees but with one catch. She can't fall in love with him.