Tie up the body of the big breasts constriction and overrun! The whole body is tied up and left unattended, and she cannot stand it and incontinence. Feeded like a dog's food, fully submissive with a horse, crotch rope and relentless training. Mine, who works for an advertising agency, is in charge of planning a boat race and has contact with Togawa, the operator. However, Mine who was deceived by Togawa who is a metamorphosis hobby is tied up so that she can not move and gets fucked.
