Reiko got married young, but her relationship with her husband has gradually grown cold. With a mischievous, devilish appearance and a subtly seductive charm, she harbors a deeply hidden masochistic side. She secretly craves the sensation of being choked during penetration or having her nipples twisted hard. Riding her husband's cock in the cowgirl position, she grinds her pussy up and down at high speed, chasing pleasure for both of them. This film explores her desires and the complex dynamics of her marriage.