Movies Similar to Groper Train: Mayumi's Ass

Futsû no Onnanoko: Seiai Nikki(1985)

Joshidai-ryô: SEX Nozoki shokku(1985)

One day, Reiko, a female college student who aims to be active in the world of mass media, is asked to investigate the actual situation regarding sex among female college students. Reiko infiltrates the girls' dormitory, but as soon as she moves in, Kyoko, who manages her dormitory, forces her to attend a party on Saturday night...

The Climax Muhan(1985)

Seiai scandal: Kokeshi to hanayome(2016)

Homma, a shy and hard-working car mechanic, said goodbye to Mao (Maya Sawamura), a delivery health girl who has forgiven her heart for three years. This is because he started dating with an office lady named Yurie (Meguri) who he met at a matchmaking party and got engaged. Mao was a little jealous when he realized that he secretly loved Honma, but wished for the relationship between adults and the happiness of Honma. On the way home one day, Homma found a dirty kokeshi doll, cleaned it with a handkerchief moistened with water, and placed it on the flowerbed. That night, a strange young woman (Yui Kawagoe) visited the room. She forcibly went up to the room and said that she was a kokeshi doll...

A Fêmea do Mar(1980)

The lonely Jeruza lives in a simple isolated house by the seaside with the siblings Cassandra and Ulisses and the family survives by selling handicrafts for a local store. Her husband, Santiago, is a sailor who has been missing for many years. When the stranger Roque arrives at Jeruza's house late afternoon, he tells her that Santiago was murdered in a bar fight. Jeruza lodges Roque to spend the night and they have a one night stand. He then seduces Cassandra, who loses her virginity with him and he convinces Ulisses to have an incestuous relationship with his sister. Jeruza realizes that Roque, who has a dreadful secret, is a destructive being that is threatening her family. Written by Claudio Carvalho, Rio de Janeiro, Brazil

Flirty-zel(2017)

Sexy VJ Flirty-zel is waiting for her prince when her boyfriend goes bankrupt and forces her to VJ for an adult website under the name of VJ Flirty-zel. She instantly gets famous but Ji-yeon dreams of escaping the 'prison' as she suffers from abuse and pressure every day. Meanwhile, a man who adores her on the internet finds out where she's held captive...

Dolla Morte(2006)

A film entirely made with dolls. Including everything you could ever want in a nice little offensive package.

Skin. Like. Sun.(2009)

Real-life young couple Wim and Floor spend an afternoon in the sunwashed rooms of a crumbling home in Belgium. In a unique twist, this artistic erotic documentary is edited in nearly real-time. In the slowness, we get the build, the sweetness, and the sexiness. Forget about fingersnapping fast editing. Slow is where it’s at.

Superheroine Double Feature

Two stories in this bondage anthology. In the first, a sorceress joins forces with a evil ninja to capture the world's mightiest woman. After forcing the superheroine to reveal all her strengths and weaknesses, the villains place Dynamic Damsel in a diabolical death trap - can the weakened heroine escape and bring the criminals to justice? In the second story line, Sapphire and Latex Lady are trapped in a time loop by the supervillain Time Warp.

The Sekkan 2: kairaku-hen(1985)

Two girls who want to become masochists are trained by a sadistic woman and turned into lovers.

Girlfriend's Taste(2020)

Jeong-woo, who is newly married with Na-yeong, is secretly meeting Na-yeong's close sibling, Min-joo. Na-yeong, who is not aware of that fact, is worried that she is alone and tells him that he will introduce a good man to him, but she disappears when she tells him that she does not need a man and tells her not to do unnecessary things. Meanwhile, Na-yeong, who came home, tells this to her husband, Jeong-woo, but Jeong-woo also shows a grim reaction and does not care about it. Then one day, Min-joo visits Na-yeong's newlyweds in surprise, and the three of them fall asleep while drinking happily. While sleeping, Min-joo comes to Jeong-woo and does something amazing. A fierce love between a close brother and the man of his sister is just beginning.

Girlfriend's Taste 2(2020)

Na-hee spends a day with alcohol after parting with her lover, Ji-hoon. Min-yeong knows and tries to take care of Na-hee. However, Na-hee does not forget Ji-hoon, and in fact, Ji-hoon and Min-yeong, who was former partner, have a relationship with Ji-hoon, who came to Na-hee. Na-hee, who is not aware of this fact, contacts Ji-hoon again, asking for forgiveness.

Hakui kankin(1985)

A mysterious woman, Jun, comes to the hospital. Jun's disease was called "clitoral hypertrophy," which meant that she swelled to a huge size when caressed. Shunsuke, the doctor in charge, and Akiko, the nurse, but also Kyoji and Hiromi, who were secretly sitting in the back of the examination room, were surprised by its size. As soon as Rinko, who is on duty at the hospital late at night, enters a room, she is attacked by a man whose entire body is wrapped in bandages. Unaware of this, Akiko and her doctor, Kyoji, go straight to a love hotel after finishing their shift. The next morning, Jun visits again, and as she is lying on the examination table with her lower body exposed, a mummy man suddenly appears...

Girlfriend's Taste 3(2020)

Na-yeong and Min-hyeok become lovers and have a relationship, but they live together on the premise of marriage. At their first housewarming, the two invite their friend Jin-woo. Jin-woo, who is invited, keeps telling bad stories to Min-hyeok, and Min-hyeok, who is only gentle, thinks it is just a joke. Meanwhile, Na-yeong who is angry at Jin-woo's appearance, talks with Jin-woo about Min-hyeok, who is asleep. However, there was a hidden past between Jin-woo and Na-yeong. In fact, the two were sex partners.

Taste(2014)

One man and five women?! Chic, innocent, sexy, tough and mysterious, take your pick. Myeong-tae was a hot shot in a stock firm who had everything from looks to a hot body but was fired for a mistake he made and is neglected by his hot shot wife. The women in the neighborhood who are always at home for different reasons, start looking out for him.

Lie I Love Sex 2(2013)

Defendant girlfriend break up the wind, but get abused at work 'paper'. Accidentally discovered in bags of cash to 50 million won. Had trouble holding the money at the end of every trip to the end he left, hitchhiking the midst of a 'coins' in the car to be traveling with them. Dangchan traveling in attractive 'coins' to fall 'paper' to make sex with her​​, but the destination of 'coins' to drop off a bag of money and then find that the two missing. Eventually she found 'paper' is put up in their dajjagojja thief known only to her, Bonnie 'coin' and find the lost bag of money gave his thanks to know that. But gradually 'coins' will return the identity of a little more than give him the money.

White Lily(2016)

Two women, Tokiko, a ceramic artist, and her apprentice, Haruka, are in a relationship. The couple is not an intrinsic lesbian, but they fell for each other by chance.

The sekkan 3: Tôsui-hen(1985)

The third installment of the BDSM series that explores women writhing in agony.

Danchi tsuma: W ONANIE(1985)

Although the married couples appeared to be living ordinary lives with no complaints on the surface, deep down they seemed to be dissatisfied with each other...

Nawa hada sanshimai(1985)

A wealthy married woman finds passion with a lover while her husband lusts after his wife’s younger sister. The lover convinces the wife to invest her inheritance in land development and also attempts to steal her money. When the frustrated husband discovers what’s going on he decides that his wife is in need of a little discipline.