The two are childhood friends who live in the same neighborhood. As they reach adolescence, they start to become aware of each other. One day, to cheer up Aoi's father who is feeling unwell, they start playing 'lovers'. "We're not real lovers... and only in front of my father," they say, emphasizing their fake relationship, but as they spend more time alone together, their feelings for each other begin to change! Starting with an awkward kiss, the two gradually get excited and forget about the 'play' setting, and start to indulge in greedy creampie sex...