Karen has been working part-time at a convenience store for a month to fund her graduation trip. Aoi fell in love with Karen at first sight when she first met her lovely smile. However, Karen has a boyfriend, and Aoi spends her days feeling frustrated because of her unrequited love... One day, Aoi realizes that Karen isn't feeling well, and asks him if she wants to become stronger... and gets drunk. When the two of them kiss each other's skin without letting their excitement cool down, the emotions they had been holding back overflow and they seek each other...
