My wife, Yuri, has returned home to attend a local reunion. Toru, who was alone at home for the first time in a long time, was trying to enjoy his freedom, but his sister, Hitomi, came to the house without warning. Hitomi, who had been consulted by Yuri about her worries, was actually planning to clear her sexual desire while saying that she would give a cry to Tohru. Toru didn't know the true purpose of Hitomi's bold behavior ...