Movies Similar to Observation Man

Lewd Fetish: Peverted Big Ass(2013)

Honoka, a daughter who takes care of her self-proclaimed depressed father-in-law, ran out of the house because she could not stand being sexually demanded. On the other hand, a young wife, Haruka, who got married with an age difference, also left home in a rage at her husband's behavior. Such two people meet and hit it off from each other's circumstances. They complain that they don't want to go home...

Bad Detective: Missing(2019)

Mi-ri's friends, who work in a private detective office, leave on a trip to South East Asia. But suddenly, Mi-ri loses contact with her friends, and their whereabouts are unknown. Mi-ri is sure they have been abducted and asks a detective for help... The detective looks into the case, but where will he find Mi-ri's friends?

Dilig(2024)

About to get married to an old, wealthy businessman, Resa enlists the help of gardener Otso to seduce her fiancé’s daughter, Katelyn, and record his sexploits with her in order to get her disowned.

Emmanuelle: Queen of Sados(1980)

A woman struggles to keep her stepdaughter from harms way after she hires an assassin to kill her husband, but the hitman turns and blackmails her for the crime.

Good Water Boarding House(2018)

Good Water Boarding House 2(2019)

Ohashi-n chi no Obachan(2019)

Hanako gets excited when she sees her college student's son's friend, Jun, and seduces him with her lewd underwear. Surprised, Jun is worried that Kazuya will see this, and pushes Hanako away, but is at a loss for what she can do with her daring temptation. Even after Kazuya arrives, Hanako continues to seduce her Jun, but this time she shows off her secret part with more lewd underwear. After that, when Kazuya leaves her seat, Hanako rushes to Jun as if waiting for her, and Jun, unable to resist her temptation, eventually develops a secret relationship with Hanako.

Mother's Seduction 2(2020)

Jeong-hee goes to her parents' home to take care of her sick mother. And then, a young lady, Se-hee, came to Jeong-hee's house to work as a household helper for a while. Yoon-soo, Jeong-hee's son, fell in love at first sight, and her husband, Seok-jin fell asleep from Se-hee's massage. Meanwhile, Jeong-hee who came to her parents' house, met Hyeok-jin who used to like her, and says she will be leaving her home for a while…

Emmanuelle 3(1977)

Emmanuelle and her architect husband continue their amoral lifestyle in the Seychelles. But when a casual dilliance between her and a film director starts to turn serious her husband shows very traditional signs of jealousy.

Apartment Wife: Target Bedroom(1979)

A woman who lived an ordinary life as a housewife in a housing complex in the suburbs. One day, a yakuza comes to her to pay off her late mother's debt. Indeed, it was written in her mother's handwriting that her daughter would repay the debt if something were to happen. Confused, the housewife can't even tell her husband about the debt, and begins prostitution at the yakuza's command... Will she return to her normal life? The 21st work in the long-running Nikkatsu "Apartment Wife" series.

Cohabitation(2017)

Project to change the lover’s lover “Can you afford it?” Underground and Sungmin are long-time couple living together. Unlike the subterranean basement, Sungmin is not able to exert his talent as a writer and gets stressed. Jee-geuk makes another boyfriend called Gyu-gyu who is underground, who is disappointed with his boyfriend.

Sexy doll: Abe Sada sansei(1983)

The film depicts the daughter of a concubine of a political and business mastermind who is involved in a corruption scandal, and a woman who controls a prostitution ring.

Private lesson: Meiki kyôiku(1983)

A virgin, a married woman, a career woman, and the progress is made by combining the abnormal sex of each of them. This is Rumi Tama's first work in 1983, which can be called the Japanese version of the Decameron, and is a female writer who has made a point of creating enjoyable pornographic entertainment without logic.

Renzoku boko: Hakuchu no inmu(1982)

A building manager spots a hooded jogger as he brazenly assaults a woman and drags her off. He follows and watches as the poor woman gets raped. After the rapist has left the manager hesitates and approaches the prone woman… and takes his turn. The next day the manager is on the lookout for the jogger, waiting for another chance.

Deviant Obsession(2002)

Joan Alton is a lawyer who goes undercover at a strip club to gather clues that might exonerate her lover who has been accused of murder. While the defendant's secrets unveil, she will stop at nothing to catch the real killer.

Shinjin kyonyû: Hasande san-patsu!(2014)

Momoko is nervous but enthusiastic about joining the movie company she has longed for. However, she was late from the first day and was struck by Reiko, a female employee who is famous for her talent. On the other hand, the president liked Momoko and took care of it. But it was an adult filmmaking company! Although she was worried about the gap with the company she had envisioned, she was excited to have her seniors teach her work, and she was further exposed to the passion of the people involved and grew up every day.

Niku dorei: Kanashiki gangu(1982)

Ginza neon-gai: Onna no zetchô(1982)

A woman is sexually assaulted while jogging and the attacker leaves behind a ID pendent in the struggle. With this as her only clue she searches the nightclubs of Ginza for a chance at revenge.

Acquaintance(2020)

Hwa-in, a beautiful woman who ran a lighting shop at a young age, woke up in the forest. She lost all her memories in an instant... and while being hit by the rain, as if drawn by her instinct, she enters a luxury mansion. One woman and two men greet her. She beings to feel fear from the man who sneaks and peeps at her as if she's being stalked.

Sister-in-law's Taste 2(2021)

Sister-in-law's Taste 2