Kiai Aoyama, a former member of a super famous idol group, experiences her first-ever vaginal orgasm! Kiai, who has only ever climaxed from clit stimulation during masturbation, is first thoroughly developed with a big cock. Once her body begins to remember its first climax, her sensitive body can't be stopped! In her first-ever 3P sex, she reaches maximum excitement, squirting repeatedly and experiencing continuous orgasms!