My girlfriend went on a trip and I fucked her big-breasted best friend. (PPPD-776)

My girlfriend's busty best friend tempted me to have an affair and go at it hard! My live-in girlfriend went on a family trip, leaving me feeling lonely after a long time. But before she left, she invited her drinking buddy, Bubble Yuki, to join her while she was drunk. After she went on her trip, we spent our days together, having sex every day...