Even after reaching the age of sixty, a mother with an undiminished sex drive and an unending interest in sex buys a lewd toy for the first time through mail order. The mother, who indulges in intense masturbation with the toy's fine vibrations spreading her ripe oma○ko, surprises her son with her appearance. Despite his shock, the son feels an abnormal lust and greedily enjoys his mother's ripe body. The mother, feeling a twisted pleasure from their forbidden act, gasps as she trembles with her soft ripe flesh, inviting ejaculation by taking her son's chi○ko into her ripe ma○ko.
