Ichika Matsumoto had a quarrel with her parents and ran away from home; she didn't want to go back home and sat in a corner of the park. A young office worker came home and saw her sitting there, so he approached her to inquire about her situation. After learning about her feelings, he invited her to his home to rest, since he was single and didn't have anything to worry about.
Unexpectedly, after coming here, Ichika gradually developed feelings for him, and both became immersed in sexual pleasure...