They spent some time together in the storage room just prior to summer vacation. Then, Koharu received a kiss from her beloved Kanzaki-sempai. He told her, "the next time we meet, I'll tell you how I feel." But Koharu was left waiting alone during the fireworks festival. Her imagination went rampant and she couldn't stop! When she thought sempai finally came, it was actually... someone else -- shocking!! But what about sempai's feelings?! This volume will make your heart throb so hard it's going to hurt! Here is "Win You Over" volume 4!