Little did he know it was the voice of his beloved girlfriend — he got hard from the moans coming out of the room of the neighbor he hated most. Mio Ichijo MKMP-605

Summary

Two years into their relationship, this couple is stuck in a rut.<br>His girlfriend Mio drops by his place whenever she misses him, lounges around, and they wind up having sex.<br><br>One day, Mio comes over as usual and spots the neighbor at the entrance. She instinctively says hello, but the neighbor ignores her.<br><br>Then work gets busier, and when he comes home late one night, he hears familiar moaning from the next room...<br><br>Produced by KM Produce Co., Ltd.