ai secretly feels unsatisfied with her husband, who is serious but has a special propensity, and is unsatisfied. at that time, his brother-in-law, bunta, suddenly visits the house. the playboy’s brother-in-law sees through her sukehira heart and sfully persuades her… ai is swept away by his mouth and has a relationship with “only once”. even after that, bunta refuses to invite him relentlessly, but the pleasure that shakes the whole body that can never be experienced by her husband, the stimulation that goesuges the vaginal wall, is intensely carved into ai’s body.
