Miya, an office lady who started working at night to pay off her gambling-addicted fiancé's debt, is subjected to thorough sensitivity development training by the mania store manager at an SM club she entered because of the unprecedented hourly wage. Nipple suction piston vibrator, bitch training drag-around riding whip, anal licking service fellatio thorough training, anal finger expansion anal vibrator, super thick enema device shameful excretion. The initial pain disappears, her true masochistic nature wells up, forgetting herself in the excessive pleasure, welcoming super-skilled mania customers and indulging in anal intercourse and hard whipping.