On the way to school, I saw a cat lying on a stone bench in the park. When I went back home from school, planning to see the cat again, I couldn't find it anywhere. Instead, there was a beautiful girl with a bruise on her face. That night, when I went to buy alcohol at the convenience store, I saw the girl from this afternoon still sitting in the park. I approached her and invited her to drink, and she happily accepted and suggested going to my place. I had no idea who she was or what she did, but for some reason, I couldn't stop caring about her. That night, Miu took the initiative to invite me over under the guise of paying the "overnight fee". For the next few days, we were always together, until one day I returned home and didn't find her. It turns out she lived in the house of a man upstairs. That man often abused her, causing her to leave. She didn't want to bring trouble to me, so she decided to go back to her hometown in Fukuoka...