This time, Mirei Aika's boyfriend, who made a sudden phone appearance during the filming of the previous work, is asked to appear in an AV, even though she doesn't think it will work! Aika is confused, but she somehow agrees in order to restore her nighttime relationship with her boyfriend! With Aika present, she negotiates with her boyfriend to appear! Her boyfriend, who she met at a mahjong parlor, makes an emergency appearance! Aika has multiple real orgasms right in front of her, and she unexpectedly leaves the scene! Look! This is the kind of sex I wanted to have! This is the ultimate cuckold documentary!