My son's tutor Suga, who comes twice a week, fell in love at first sight with her beautiful and ripe mother Nagisa. Stealing his son's eyes and approaching him with "kabe-don", Nagisa is perplexed by the bold actions of the honest and handsome Suga. However, the moment Nagisa is forced to touch her crotch, she is shocked. It was a "big cock"... Nagisa, who has never been satisfied with her husband's cock in her happy life without any inconvenience, gradually drowns in the pleasure of Suga's young and strong cock.
