In this intimate documentary, we explore the diverse sexual lives of four couples, each with their unique desires and fetishes. K.T., a married woman with a secret lover, struggles to contain her insatiable lust; M.I., an experienced ex-idol OL, shares her passionate encounters with her husband; M.Z., a buxom office worker, bares all in public masturbation sessions showcasing her raw sexuality; and H.I., a submissive DMM employee, engages in intense bukkake sessions as a form of stress relief at work. These candid portraits delve beyond superficial appearances to reveal the most private aspects of these individuals' relationships, offering a rare glimpse into their erotic worlds. As they expose themselves both physically and emotionally, we witness the raw beauty of human connection through sex. Note that recording contents may vary depending on distribution method.