When he was younger, Kujou Kiyosumi was incredibly awkward and nerdy. One day in elementary school, he courageously confessed his love to a girl, but she told him in front of the whole classroom that he was "disgusting" to be around.

Shocked, Kiyosumi asked the coolest guy in the class, Sagiya Maki, to help him become more likable, too. Thus began the days of training and now in high school, he had finally achieved most popular status alongside Maki. Everything seemed to be going along smoothly until...