VENU-875 Suddenly, my wife's sister barged in and I was kept on edge for a whole night and day

While his wife was on a one-night, two-day trip with friends, Kenji indulged in his hidden stash of AVs and enjoyed living alone. However, getting carried away by the rare freedom, he accidentally left the front door unlocked. At that moment, his sister-in-law Reiko happened to visit. Reiko found the unlocked front door suspicious and entered the house to look for Kenji…and ended up encountering him in the midst of masturbating…