I don't know if it's the sound of her breathing that I like most coming from my annoying neighbor's room that's giving me an erection. Mio Ichijo MKMP-605

The couple, who had been dating for over two years, were experiencing a period of stagnation. She would go to his place whenever she wanted to meet him and have sex. One day, when she went to his house, she saw the neighbor from next door in the entryway. She tried to greet him, but he ignored her. As time went by, he became increasingly busy, and when he returned home late at night, he could hear familiar heavy breathing coming from next door…