Hiroyuki was receiving an unexpected visit from his sister-in-law, Yui. His wife was going on a one-night, two-day trip with friends, and he thought he would finally enjoy some solitude... but unexpectedly, the doorbell rang, and Yui barged into the house. Although surprised, Hiroyuki was completely won over by Yui, who took on all the household chores. Unaware of Yui's true intention, which was to satisfy her sexual desires... as Hiroyuki went to take a bath, Yui watched him go with a seductive smile, and then began to undress herself...
