XVSR-734 Fill your head with sex until you convulse and lose control, turning into a crude flesh toilet by tightly binding and training Mami Nagase

A plan to break Masami Nagase's head and pussy, driving her into an ecstatic state of orgasm until she nearly dies. Bondage training and brainwashing start with restraints and a full mask, awakening her to the pleasure of sex with blindfolds and aphrodisiac lotion, reaching madness. Tied up with ropes, she drifts into a trance-like state, drowning in massive squirting orgasms, ultimately falling into being a complete 'female' flesh toilet... As unfamiliar sensations fade, her consciousness wanes, and her inherent masochism expands, deriving pleasure!! The sensation reaches its peak upon completion of training!!