Big-breasted esthetician Ai Sayama is rumored to provide erotic treatments exclusively for male masochists, so MOODYZ staff rush to the scene. She quickly detects the crew's M tendencies and offers a trial session, mercilessly milking the hidden M staff member repeatedly. Continuing with close-up coverage, she captivates new clients with cowgirl sex, tames regulars with submissive dog-walking and foot domination, and engages in intense pride-clashing sex with an adult film actor—this is the complete documentary record!