Kana, a wife whose husband cheated on her, recruits a sex friend to get revenge and records him giving a blowjob. She swallows all the semen he ejaculates with gusto and hands the bag containing the data to her husband. The husband is surprised when he sees the video letter containing his wife's blowjob. "Were you excited by my blowjob? You did the same thing with your lover, didn't you?" his wife asks. The upset husband is speechless, and seeing what happens, the wife leaves the house satisfied. Revenge is...