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Summary

Due to messing with his grandfather's machine, the protagonist and his 2 cousins have switched body. They try to switch back right away but the machine breaks. And thus, they are stuck inside each other's bodies for a while. [Translated from Official Site]

Muteki no Haramase Onaho Himekishi-dan ~Kukkoro Mesu ga Cheat Skill de Soku Ochi♪ Ero Koku Hame de Ahe Chuusei o Tsukusareru Royal Harem Jou Seikatsu~
Muteki no Haramase Onaho Himekishi-dan ~Kukkoro Mesu ga Cheat Skill de Soku Ochi♪ Ero Koku Hame de Ahe Chuusei o Tsukusareru Royal Harem Jou Seikatsu~
NAN%
Tags
  • Fighting Princess Heroine
  • Royal Heroine
  • Sadist Protagonist
  • Group Sex with Clones
  • Unavoidable Heroine Rape by the Protagonist
Rating 6.4221 Users
Sweet Honey Family - Musume to Tsuma ni Amai wa Chichi no Narahi
Sweet Honey Family - Musume to Tsuma ni Amai wa Chichi no Narahi
NAN%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Fathercon Heroine
  • Protagonist's Wife as a Heroine
  • Oyakodon Ending
Rating 6.8555 Users
Hara Katsu! 3 ~Kozukuri Business Haigyou no Kiki!?~
Hara Katsu! 3 ~Kozukuri Business Haigyou no Kiki!?~
NAN%
Tags
  • Group (4+) Boobjob
  • Divorcee Heroine
  • Actress Heroine
  • Only Adult Heroines
  • Onahole
Rating 6.9834 Users
Shuukatsu!
Shuukatsu!
NAN%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Mama to no Ikisugi Ama Ama Seikatsu ~Ippai Kimochi Ii Koto Oshiete A-Ge-Ru~
Mama to no Ikisugi Ama Ama Seikatsu ~Ippai Kimochi Ii Koto Oshiete A-Ge-Ru~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Inbreeding
  • Widow Heroine
  • Only Non-Virgin Heroines
Rating 6.2430 Users
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
NAN%
Tags
  • Dormitory Manager Protagonist
  • Footjob
  • P.E. Teacher Heroine
  • Cheerleader Heroine
  • Principal Heroine
Rating 6.5831 Users
Hitozuma Saimin Counseling
Hitozuma Saimin Counseling
NAN%
Tags
  • Sexual Roleplay
  • Protagonist with Sexual Experience
  • Netori
  • Unlockable Harem Ending
  • Erotic Mind Control
Rating 6.3940 Users
Hitozuma Saimin Keikaku ~Saimin Gonin de Katei Enman!~
Hitozuma Saimin Keikaku ~Saimin Gonin de Katei Enman!~
NAN%
Tags
  • Rounin Protagonist
  • Oyakodon Ending
  • Masturbation with Object
  • Heroine with Children
  • Masturbation
Rating 6.0221 Users
Nyotai-ka Shitara Shouta na Otouto ga Hatsujou Shisugite Yabai! ~Hitamuki ni Motomerare Makuru Doukyo Seikatsu ga Yosugite Kokoro made Onee-chan ni Nacchau!?~
Nyotai-ka Shitara Shouta na Otouto ga Hatsujou Shisugite Yabai! ~Hitamuki ni Motomerare Makuru Doukyo Seikatsu ga Yosugite Kokoro made Onee-chan ni Nacchau!?~
NAN%
Tags
  • Non-blood-related Incest
  • Sex Change
  • Genderbent Sex
  • Suction on Nipples
  • Straight Shotacon
Rating 6.2321 Users
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
NAN%
Tags
  • Unavoidable Harem Ending
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Single Ending
  • Cousin Incest
Rating 6.2423 Users
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
NAN%
Tags
  • Mother/Son Incest
  • Only Adult Heroines
  • Masochist Heroine
  • Clothed Male Naked Female
  • Pregnancy Ending
Rating 6.3634 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
NAN%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.5534 Users
Chikan Densha Kyonyuu Otori Sousakan ~Nerawareta Ureta Nikutai~
Chikan Densha Kyonyuu Otori Sousakan ~Nerawareta Ureta Nikutai~
NAN%
Tags
  • Molestation on Public Transport
  • Unavoidable Protagonist Rape
  • Chikan
  • Sexual Slavery (Choukyou Variation)
  • Sex in a Vehicle
Rating 6.2723 Users
Ane Imo Mama no Shasei Kanri ~Tsuide ni Kodomo ga Dekichatte mo Ii yo ne~
Ane Imo Mama no Shasei Kanri ~Tsuide ni Kodomo ga Dekichatte mo Ii yo ne~
NAN%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Non-blood-related Mother as a Heroine
  • Oyakodon Ending
  • Single Handjob
  • Hairjob
Rating 5.9320 Users
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
Nee x Nee! Docchi ga Suki? Docchi mo!! ~Yasashii Onee-chan to Cool na Onee-chan ni Hasamarete Boku wa Mou!!~
NAN%
Tags
  • Obacon
  • Ear-Cleaning
  • Only Older Heroines
  • Reverse Trap Heroine
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.3568 Users
Jogakuen no Seiyoku Shokudou ~Tokusei Sauce de Kugutsu ni Kawaru Shoujo-tachi~
Jogakuen no Seiyoku Shokudou ~Tokusei Sauce de Kugutsu ni Kawaru Shoujo-tachi~
NAN%
Tags
  • Oyaji Protagonist
  • Cum on Food
  • Ugly Protagonist
  • Chubby Protagonist
  • Erotic Mind Control
Rating 6.3429 Users
Yakimochi Kanojo no Ichizu na Koi
Yakimochi Kanojo no Ichizu na Koi
NAN%
Tags
  • Defloration During Common Route
  • Jealousy
  • Tribadism on Penis
  • Student Council President Heroine
  • Heroine with Beauty Mark
Rating 6.8234 Users
Ane Ane Double Saimin DX ~Saimin de 6-nin no Kyonyuu Ane-tachi o Musabori Haramasu Yokubou no Utage!~
Ane Ane Double Saimin DX ~Saimin de 6-nin no Kyonyuu Ane-tachi o Musabori Haramasu Yokubou no Utage!~
NAN%
Tags
  • Erotic Mind Control
  • Mind Control
  • Feet Licking
  • Blood-related Brother/Sister Incest
  • Sex Wearing Panties On Face
Rating 6.7042 Users
Itsu made mo Musuko no Mama ja Irarenai! 5 ~Kyonyuu Ottori Mama no Attaka Oppai ni Tsutsumare nagara Amaetai!~
Itsu made mo Musuko no Mama ja Irarenai! 5 ~Kyonyuu Ottori Mama no Attaka Oppai ni Tsutsumare nagara Amaetai!~
NAN%
Tags
  • Obacon
  • Mother/Son Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Mother/Son Romance
Rating 7.3393 Users
Ima mo Itsuka mo Faluna Luna
Ima mo Itsuka mo Faluna Luna
NAN%
Tags
  • Trap Protagonist
  • Fairy Support Character
  • Fairy Heroine
  • Magic School
  • School Dormitory
Rating 6.9020 Users
Gyaku Saimin Omoikiri Boku o Aishite Ijimete Kawaigatte
Gyaku Saimin Omoikiri Boku o Aishite Ijimete Kawaigatte
NAN%
Tags
  • Erotic Mind Control
  • Masochist Protagonist
  • Shoejob
  • Mind Control
  • Hairjob
Rating 6.0220 Users
Motoyan Hitozuma o Pako tte Honenuki Ana Yomeka ~Tomodachi no Tsuyoki Kaa-chan de Sukikatte Za Shori Asobi Haramase~
Motoyan Hitozuma o Pako tte Honenuki Ana Yomeka ~Tomodachi no Tsuyoki Kaa-chan de Sukikatte Za Shori Asobi Haramase~
NAN%
Tags
  • Unnamed Protagonist
  • Netori
  • Married Heroine
  • Masochist Heroine
  • Spontaneous Sex Scenes
Rating 6.2527 Users
Tonari no Oyako wa Nikushokukei!? ~Ai to Yokubou to Yuuwaku no Hibi wa Hikkoshi to Tomo ni Otozureru~
Tonari no Oyako wa Nikushokukei!? ~Ai to Yokubou to Yuuwaku no Hibi wa Hikkoshi to Tomo ni Otozureru~
NAN%
Tags
  • Divorcee Heroine
  • Onahole
  • Masturbation with Object
  • Oyakodon Ending
  • Heroine with Children
Rating 6.5924 Users
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
NAN%
Tags
  • Heroine Based on a Fictional Person
  • Unnamed Protagonist
  • Reverse Rape
  • Idol Heroine
  • Japanese Idols
Rating 6.1426 Users
Nyotai Inkan ~Utsurikawaru Chijokuteki Koukishin~
Nyotai Inkan ~Utsurikawaru Chijokuteki Koukishin~
49%
Tags
  • Body Swapping
  • Masturbation with Object
  • Sex Involving Prostitution
  • Mutual Masturbation
  • Lesbian Sex
Rating 5.8820 Users
Fudeoroshi Mama ~Afureru Hakudaku & Milk~
Fudeoroshi Mama ~Afureru Hakudaku & Milk~
35%
Tags
  • Obacon
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Older Heroines
  • Widow Heroine
Rating 5.7522 Users
Ane Imo Mama no Shasei Kanri ~Tsuide ni Kodomo ga Dekichatte mo Ii yo ne~
Ane Imo Mama no Shasei Kanri ~Tsuide ni Kodomo ga Dekichatte mo Ii yo ne~
28%
Tags
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Non-blood-related Mother as a Heroine
  • Oyakodon Ending
  • Single Handjob
  • Hairjob
Rating 5.9320 Users
Chikan Densha Kyonyuu Otori Sousakan ~Nerawareta Ureta Nikutai~
Chikan Densha Kyonyuu Otori Sousakan ~Nerawareta Ureta Nikutai~
28%
Tags
  • Molestation on Public Transport
  • Unavoidable Protagonist Rape
  • Chikan
  • Sexual Slavery (Choukyou Variation)
  • Sex in a Vehicle
Rating 6.2723 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
28%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.5534 Users
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
26%
Tags
  • Unavoidable Harem Ending
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Single Ending
  • Cousin Incest
Rating 6.2423 Users
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
Musuko ga Osewa ni Narimashite ~Miboujin Kanrinin-san to Kaa-san to~
26%
Tags
  • Mother/Son Incest
  • Only Adult Heroines
  • Masochist Heroine
  • Clothed Male Naked Female
  • Pregnancy Ending
Rating 6.3634 Users
Hitozuma Saimin Keikaku ~Saimin Gonin de Katei Enman!~
Hitozuma Saimin Keikaku ~Saimin Gonin de Katei Enman!~
25%
Tags
  • Rounin Protagonist
  • Oyakodon Ending
  • Masturbation with Object
  • Heroine with Children
  • Masturbation
Rating 6.0221 Users
Nyotai-ka Shitara Shouta na Otouto ga Hatsujou Shisugite Yabai! ~Hitamuki ni Motomerare Makuru Doukyo Seikatsu ga Yosugite Kokoro made Onee-chan ni Nacchau!?~
Nyotai-ka Shitara Shouta na Otouto ga Hatsujou Shisugite Yabai! ~Hitamuki ni Motomerare Makuru Doukyo Seikatsu ga Yosugite Kokoro made Onee-chan ni Nacchau!?~
25%
Tags
  • Non-blood-related Incest
  • Sex Change
  • Genderbent Sex
  • Suction on Nipples
  • Straight Shotacon
Rating 6.2321 Users
Jogakuen no Seiyoku Shokudou ~Tokusei Sauce de Kugutsu ni Kawaru Shoujo-tachi~
Jogakuen no Seiyoku Shokudou ~Tokusei Sauce de Kugutsu ni Kawaru Shoujo-tachi~
23%
Tags
  • Oyaji Protagonist
  • Cum on Food
  • Ugly Protagonist
  • Chubby Protagonist
  • Erotic Mind Control
Rating 6.3429 Users
Ane Ane Double Saimin DX ~Saimin de 6-nin no Kyonyuu Ane-tachi o Musabori Haramasu Yokubou no Utage!~
Ane Ane Double Saimin DX ~Saimin de 6-nin no Kyonyuu Ane-tachi o Musabori Haramasu Yokubou no Utage!~
23%
Tags
  • Erotic Mind Control
  • Mind Control
  • Feet Licking
  • Blood-related Brother/Sister Incest
  • Sex Wearing Panties On Face
Rating 6.7042 Users
Ima mo Itsuka mo Faluna Luna
Ima mo Itsuka mo Faluna Luna
22%
Tags
  • Trap Protagonist
  • Fairy Support Character
  • Fairy Heroine
  • Magic School
  • School Dormitory
Rating 6.9020 Users
Motoyan Hitozuma o Pako tte Honenuki Ana Yomeka ~Tomodachi no Tsuyoki Kaa-chan de Sukikatte Za Shori Asobi Haramase~
Motoyan Hitozuma o Pako tte Honenuki Ana Yomeka ~Tomodachi no Tsuyoki Kaa-chan de Sukikatte Za Shori Asobi Haramase~
22%
Tags
  • Unnamed Protagonist
  • Netori
  • Married Heroine
  • Masochist Heroine
  • Spontaneous Sex Scenes
Rating 6.2527 Users
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
22%
Tags
  • Heroine Based on a Fictional Person
  • Unnamed Protagonist
  • Reverse Rape
  • Idol Heroine
  • Japanese Idols
Rating 6.1426 Users
Ore Yome!?
Ore Yome!?
22%
Tags
  • Selfcest
  • Clone Protagonist
  • Defloration by an Object
  • Sex Change
  • Identity Crisis
Rating 7.1824 Users
Manamusume no Oshiri wa Papa Sen
Manamusume no Oshiri wa Papa Sen'you ~Tsuma no Mae de, Konna Koto o Suru Nante…~
21%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Oyakodon Ending
  • Protagonist's Wife as a Heroine
  • Heroine's Mother as a Heroine
Rating 6.1233 Users
Saimin Gekijou
Saimin Gekijou
21%
Tags
  • Unlockable Harem Ending
  • Erotic Mind Control
  • Threesome Ending
  • Cosplay
  • Mind Control
Rating 6.7232 Users
Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~
Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~
21%
Tags
  • Onsen
  • Gyaru Heroine
  • Oyaji Protagonist
  • Only Non-Virgin Heroines
  • Prostitute Heroine
Rating 6.8026 Users
Iinari Aneiro ~Onee-chan sae Ireba Ii!~
Iinari Aneiro ~Onee-chan sae Ireba Ii!~
21%
Tags
  • Divorcee Heroine
  • Protagonist's Sister-in-Law as a Heroine
  • Heroine with Inverted Nipples
  • Episodic Story
  • Dildos
Rating 6.6128 Users
Nakayoshi Kazoku Nara Kiss mo Nakadashi mo Touzen Da yo ne!
Nakayoshi Kazoku Nara Kiss mo Nakadashi mo Touzen Da yo ne!
21%
Tags
  • Protagonist's Twin as a Heroine
  • Twincest
  • Protagonist's Sister as a Heroine
  • Siscon Protagonist
  • Brocon Heroine
Rating 6.5822 Users
Joushi no Tsuma to Buka no Tsuma
Joushi no Tsuma to Buka no Tsuma
21%
Tags
  • Netori
  • Infidelity
  • Only Adult Heroines
  • Married Heroine
  • Harem Ending
Rating 6.5521 Users
Dokusen Saimin "Watashi o Suki ni Shite Ii kara, Ano Ko mo Mechakucha ni Shite!"
Dokusen Saimin "Watashi o Suki ni Shite Ii kara, Ano Ko mo Mechakucha ni Shite!"
20%
Tags
  • Transfer Student Heroine
  • Erotic Mind Control
  • Mind Control
  • Legwear Footjob
  • Single Footjob
Rating 6.5125 Users
Boku wa Bitch no Ero Ikenie
Boku wa Bitch no Ero Ikenie
20%
Tags
  • Transfer Student Protagonist
  • Remote-controlled Vibrator
  • Consensual Group Sex of One Female and Several Males
  • Gyaru Heroine
  • Blowjob Duck Face
Rating 6.6422 Users
Hyoui Kanojo ~Tsukikano
Hyoui Kanojo ~Tsukikano
20%
Tags
  • Long Common Route
  • Heroine with Eye Covering Hairstyle
  • Office Lady Heroine
  • Molestation on Public Transport
  • Ghost Heroine
Rating 6.8229 Users

Seikan Shimai has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (16 total)

NameScoreImportanceWeight
Body Swapped Sex2.003.296.58
Body Swapping2.502.496.23
Protagonist's Cousin as a Heroine3.001.885.65
Rimming Handjob2.002.444.88
Genderbent Sex2.002.274.55
Cousin Incest2.002.014.02
Protagonist's Childhood Friend as a Heroine3.001.143.43
Facesitting2.001.653.30
Double Handjob2.001.643.28
Lesbian Sex2.001.152.30
Group Sex of One Female and Several Males2.001.082.15
Cunnilingus2.000.931.86
Defloration2.000.761.52
Nukige2.000.651.30
Male Protagonist2.000.300.61
ADV2.500.150.36

Traits (55 total)

NameCharactersImportanceWeight
Body Swap Engages in32.873.98
Tribadism Engages in (Sexual)42.123.41
Cousin Role31.872.60
Cunnilingus Engages in (Sexual)41.552.50
Vaginal + Anal Object Insertion Subject of (Sexual)22.262.48
Vaginal Fingering Engages in (Sexual)31.622.24
Lesbian Sex Engages in (Sexual)41.382.22
Genderbent Sex Engages in (Sexual)13.112.15
Spit-roast Subject of (Sexual)21.751.92
Cunnilingus Subject of (Sexual)31.161.61
Vaginal Fingering Subject of (Sexual)31.081.50
Boobs on Glass Subject of (Sexual)12.151.49
Odango Hair12.151.49
Object Insertion Subject of (Sexual)12.121.47
Anilingus Engages in (Sexual)12.011.39
Sixty-nine Engages in (Sexual)21.261.38
Double Handjob Engages in (Sexual)11.891.31
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Footjob Engages in (Sexual)11.721.19
Boobjob Engages in (Sexual)21.071.17
Violet Eyes21.041.15
Sweater Clothes11.641.14
Reverse Cowgirl Subject of (Sexual)11.631.13
Grey Eyes11.601.11
University Student Role11.591.10
Blowjob Subject of (Sexual)11.521.06
Student Role11.491.03
Sailor School Uniform Clothes11.481.03
Incest Engages in (Sexual)11.471.02
Pissing Engages in (Sexual)11.461.02
Smart Personality11.461.01
Masturbation Engages in (Sexual)11.390.96
Brown Hair30.680.95
High School Student Role20.850.93
Virgin Sex Engages in (Sexual)20.850.93
Childhood Friend Role11.260.87
Ribbon Tie Clothes11.250.87
Blowjob Engages in (Sexual)20.760.84
Violet Hair11.190.83
Trousers Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Handjob Engages in (Sexual)11.160.80
Shirt Clothes11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Miniskirt Clothes11.060.74
Spiky Bangs Hair11.000.69
Sidehair Hair10.980.68
Cowgirl Subject of (Sexual)10.950.66
Straight Hair10.950.66
Doggy Style Subject of (Sexual)10.930.64
Shoulder-length Hair10.920.64
Brown Eyes10.900.63
Waist Length+ Hair10.810.56
Black Hair10.810.56