The 4th installment of the simultaneous orgasm series, where a cock and a pussy that have endured to the limit reach climax at the same time! Simultaneous orgasms while gently leading a masochistic man, intense sex with an experienced man, mutually enhancing masturbation, simultaneous orgasms of devouring each other's instincts, and sex where you can experience multiple times the pleasure. This is a work for you who masturbate to the finish!