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Summary

Makoto is an ordinary university student. There is a swimming pool near his place, and he often goes there to swim and enjoy watching women in swimsuits. One day, he is asked to teach swimming to Marina, who can't seem to swim at all. While he touches her body, he gets erect. Marina notices it, and gives him a blowjob. When he touches her vagina, she cries out in pleasure and achieves female ejaculation. His unknown erotic ability comes into bloom! Make all the women from a university student to a married woman ejaculate with your fingers! [From ErogeShop]

Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Domicile
  • Pregnancy Ending
  • Netori
  • Big Breast Sizes Heroine
Rating 6.7831 Users
Futa Ane ~Bitter & Sweet~
Futa Ane ~Bitter & Sweet~
NAN%
Tags
  • Incest Romance
  • Twin Sisters as Heroines
  • Shimaidon with Twins Ending
  • Divorcee Heroine
  • Blood-related Brother/Sister Incest
Rating 7.4723 Users
Ore no Imouto wa Seijun Bitch ~Oya ni wa Himitsu no Hamehame Seikatsu~
Ore no Imouto wa Seijun Bitch ~Oya ni wa Himitsu no Hamehame Seikatsu~
NAN%
Tags
  • Only Younger Heroines
  • Only Blood-related Heroines
  • Discreet Phone Sex
  • Only Protagonist's Sisters as Heroine(s)
  • Single Buttjob
Rating 6.6334 Users
Saishuu Chikan Densha
Saishuu Chikan Densha
NAN%
Tags
  • Chikan Protagonist
  • Timid Heroine
  • Rape
  • Simulation Game
  • Shy Heroine
Rating 6.3630 Users
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
Yuuwaku Kazoku Ecchi ~Mama to Imouto-tachi no Amai Onedari~
NAN%
Tags
  • Mother/Son Incest
  • Incest Romance
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Shimaidon with Twins Ending
Rating 6.3135 Users
Mukotori Juuban Shoubu!
Mukotori Juuban Shoubu!
NAN%
Tags
  • Kendo Club
  • Gokkun
  • Oneesan-type Heroine
  • Otaku Heroine
  • Classic Tsundere Heroine
Rating 6.7221 Users
Koakuma Hatsuiku Chu~!
Koakuma Hatsuiku Chu~!
NAN%
Tags
  • Loli Support Character
  • Onahole
  • Sadist Heroine
  • Shimaidon Ending
  • Pantyjob
Rating 7.1247 Users
Sweetest Maman!
Sweetest Maman!
NAN%
Tags
  • Apartment Building
  • Host Club Heroine
  • Landlady Heroine
  • Only Non-Virgin Heroines
  • Widow Heroine
Rating 6.9728 Users
Saikyou no Haramase Onaho Kishi-dan ~Tsuyoi Mesu wa Kyokon ni Katenai! Ero Hidoi Koto o Shite mo Yorokobu Zettai Chuusei Ahe Harem o Kizuke!~
Saikyou no Haramase Onaho Kishi-dan ~Tsuyoi Mesu wa Kyokon ni Katenai! Ero Hidoi Koto o Shite mo Yorokobu Zettai Chuusei Ahe Harem o Kizuke!~
NAN%
Tags
  • Heroine with Slave Tattoo (BDSM)
  • Sexual Slavery (Consensual)
  • Unavoidable Harem Ending
  • Unnamed Protagonist
  • Heroine with Tattoo
Rating 6.3846 Users
Aka-chan Hoshii na ~Kyou kara Hajimaru Love Love Ecchi~
Aka-chan Hoshii na ~Kyou kara Hajimaru Love Love Ecchi~
NAN%
Tags
  • Heroine with Baby Complex
  • Pure Love Story
  • Cousin Incest
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Wife as a Heroine
Rating 6.7822 Users
Boku no Daisuki na Oba-san
Boku no Daisuki na Oba-san
NAN%
Tags
  • Incest Romance
  • May-December Romance
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist with Phimosis
Rating 6.9461 Users
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
NAN%
Tags
  • Oyakodon Ending
  • Student Council
  • Onsen
  • Widow Heroine
  • Heroine with Kimono
Rating 6.4032 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
NAN%
Tags
  • Figure Skater Heroine
  • Sports
  • Massage Therapist Protagonist
  • Athlete Heroine
  • Fingering
Rating 6.7925 Users
Shoukoujo Charlotte "Goshujin-sama no Shojo Ningyou"
Shoukoujo Charlotte "Goshujin-sama no Shojo Ningyou"
NAN%
Tags
  • Butler Heroine
  • Early Modern Period Earth
  • Wealthy Protagonist
  • Ear-Cleaning
  • Butler Support Character
Rating 7.2124 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8822 Users
Nangoku Sakunyuu Island ~Ninshin Sasete!? Chichi Shibori~
Nangoku Sakunyuu Island ~Ninshin Sasete!? Chichi Shibori~
NAN%
Tags
  • Suction on Nipples
  • Triple Boobjob
  • Island
  • Sex Under the Necessity
  • Kuudere Heroine
Rating 6.9438 Users
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
NAN%
Tags
  • Rounin Protagonist
  • Onsen
  • Consensual Group Sex of One Female and Several Males
  • Tribadism on Penis
  • Soapy Massage
Rating 6.9620 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 6.6024 Users
Mrs. Junkie
Mrs. Junkie
NAN%
Tags
  • Dormitory Manager Protagonist
  • Polyamory
  • Twin Handjob
  • Sprite Viewer
  • Mutual Masturbation
Rating 7.4017 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
Mama no Imouto no Doutei Kyouiku ~Hikikomotta Boku wa Gaishutsu Sezu ni Nakadashi Suru~
Mama no Imouto no Doutei Kyouiku ~Hikikomotta Boku wa Gaishutsu Sezu ni Nakadashi Suru~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Hikikomori Protagonist
  • Blood-related Aunt/Nephew Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 5.6336 Users
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
NAN%
Tags
  • Brother/Sister Incest
  • Chuunibyou Protagonist
  • Only Blood-related Heroines
  • Siscon Protagonist
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.3022 Users
Selfre -Self Friend-
Selfre -Self Friend-
NAN%
Tags
  • Charming Protagonist
  • Photographer Protagonist
  • Photographer Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Student Club Member Protagonist
Rating 7.4248 Users
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
NAN%
Tags
  • Heroine with Children
  • Heroine with Crotchless Clothing
  • Clothed Male Naked Female
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 6.4438 Users
Miraroma ~Miracle Romance Strawberry Scramble~
Miraroma ~Miracle Romance Strawberry Scramble~
29%
Tags
  • Triple Footjob
  • Curse
  • Non-blood-related Brother/Sister Incest
  • Triple Boobjob
  • Protagonist's Sister-in-Law as a Heroine
Rating 6.8516 Users
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
Intou Joubo ~Yukemuri ni Ukabu Bibo no Karada
27%
Tags
  • Onsen
  • Widow Heroine
  • Blood-related Mother/Son Incest
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.4427 Users
Shoukoujo Charlotte "Goshujin-sama no Shojo Ningyou"
Shoukoujo Charlotte "Goshujin-sama no Shojo Ningyou"
25%
Tags
  • Butler Heroine
  • Early Modern Period Earth
  • Wealthy Protagonist
  • Ear-Cleaning
  • Butler Support Character
Rating 7.2124 Users
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
Binkan Athlete "So, Soko Dame! ...Oshio Fuichau!"
24%
Tags
  • Figure Skater Heroine
  • Sports
  • Massage Therapist Protagonist
  • Athlete Heroine
  • Fingering
Rating 6.7925 Users
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
Kyonyuu Onsen Kozukuri no Yu ~Yama no Naka no Hitou de Deatta no wa Bijin Oyako Deshita~
24%
Tags
  • Oyakodon Ending
  • Student Council
  • Onsen
  • Widow Heroine
  • Heroine with Kimono
Rating 6.4032 Users
Aka-chan Hoshii na ~Kyou kara Hajimaru Love Love Ecchi~
Aka-chan Hoshii na ~Kyou kara Hajimaru Love Love Ecchi~
24%
Tags
  • Heroine with Baby Complex
  • Pure Love Story
  • Cousin Incest
  • Only Protagonist's Relatives as Heroine(s)
  • Protagonist's Wife as a Heroine
Rating 6.7822 Users
Boku no Daisuki na Oba-san
Boku no Daisuki na Oba-san
23%
Tags
  • Incest Romance
  • May-December Romance
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Protagonist with Phimosis
Rating 6.9461 Users
Sweetest Maman!
Sweetest Maman!
23%
Tags
  • Apartment Building
  • Host Club Heroine
  • Landlady Heroine
  • Only Non-Virgin Heroines
  • Widow Heroine
Rating 6.9728 Users
Saikyou no Haramase Onaho Kishi-dan ~Tsuyoi Mesu wa Kyokon ni Katenai! Ero Hidoi Koto o Shite mo Yorokobu Zettai Chuusei Ahe Harem o Kizuke!~
Saikyou no Haramase Onaho Kishi-dan ~Tsuyoi Mesu wa Kyokon ni Katenai! Ero Hidoi Koto o Shite mo Yorokobu Zettai Chuusei Ahe Harem o Kizuke!~
23%
Tags
  • Heroine with Slave Tattoo (BDSM)
  • Sexual Slavery (Consensual)
  • Unavoidable Harem Ending
  • Unnamed Protagonist
  • Heroine with Tattoo
Rating 6.3846 Users
Nangoku Sakunyuu Island ~Ninshin Sasete!? Chichi Shibori~
Nangoku Sakunyuu Island ~Ninshin Sasete!? Chichi Shibori~
23%
Tags
  • Suction on Nipples
  • Triple Boobjob
  • Island
  • Sex Under the Necessity
  • Kuudere Heroine
Rating 6.9438 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~
23%
Tags
  • Divorcee Heroine
  • Onahole
  • Masturbation with Object
  • Oyakodon Ending
  • Heroine with Children
Rating 6.6024 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!?~
22%
Tags
  • Non-blood-related Incest
  • Sex Change
  • Genderbent Sex
  • Suction on Nipples
  • Straight Shotacon
Rating 6.2321 Users
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
Siscon -Saiminjutsushi Onii-chan to Namaiki na Imouto-
22%
Tags
  • Brother/Sister Incest
  • Chuunibyou Protagonist
  • Only Blood-related Heroines
  • Siscon Protagonist
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.3022 Users
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
Tomo Haha Gachi Haramase!~Dekapai Bosei Mama o Wakai Sex Zuke de Ore no Mesu ni Shite Yatta!~
22%
Tags
  • Heroine with Children
  • Heroine with Crotchless Clothing
  • Clothed Male Naked Female
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 6.4438 Users
Gokinjo Zukiai ~Rinjin Bijin Oyako Kousai~
Gokinjo Zukiai ~Rinjin Bijin Oyako Kousai~
22%
Tags
  • Heroine with Anal Hair
  • Oyakodon Ending
  • Sex with Sleepers
  • Sexual Devices
  • Condoms
Rating 6.5020 Users
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
22%
Tags
  • Jealousy
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Vaginal + Anal Object Insertion
  • Nursing Handjob
Rating 6.4239 Users
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
21%
Tags
  • Businesswoman Heroine
  • Multiple Credit Rolls
  • Twin Footjob
  • Pure Love Story
  • Sex at Work
Rating 6.9224 Users
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
21%
Tags
  • Politician Heroine
  • Sex Under the Necessity
  • Human Childbirth
  • Defloration During Common Route
  • Impregnation
Rating 6.4927 Users
Ahe Tsuma Yayoi ~Netorare Kegasareru Bijin Tsuma~
Ahe Tsuma Yayoi ~Netorare Kegasareru Bijin Tsuma~
21%
Tags
  • Big Breast Sizes Protagonist
  • Park
  • Voice Only Parts
  • Flat Tints Only
  • Unavoidable Netorare
Rating 6.9010 Users
Idol Pafupafu Management -Geinou Musume o H ni Bust UP Producer-
Idol Pafupafu Management -Geinou Musume o H ni Bust UP Producer-
21%
Tags
  • Japanese Idols
  • Dying Protagonist
  • Breast Expansion
  • Leader Heroine
  • Chuunibyou Heroine
Rating 7.0345 Users
Yuusei Tenshi Primaveil Drei
Yuusei Tenshi Primaveil Drei
21%
Tags
  • Rape by Others
  • Corruption of Characters
  • Raising Simulation
  • Stuck in Meatwall
  • Netorare
Rating 6.5628 Users
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
20%
Tags
  • Illness
  • Medical Doctor Heroine
  • Triple Blowjob
  • Group Sex of Several Females
  • Footjob
Rating 6.9639 Users
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
20%
Tags
  • Heroine in Relationship with Other(s)
  • Protagonist with Phimosis
  • Arrogant Heroine
  • Student Council Member Heroine
  • Netori
Rating 6.3847 Users
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
Ikenai Kozukuri 5 ~Tonari ni Koshitekita Hitozuma to Ikenai Sex~
20%
Tags
  • Visible Cervix Penetration
  • Ugly Protagonist
  • Chubby Protagonist
  • Apartment Building
  • Netori
Rating 6.5732 Users

Shiofuki Mermaid "Dame... Coach! Nanika ga Dechauu!" 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
Heroine with Swimsuits3.001.644.93
University Student Heroine2.001.753.50
Female Ejaculation2.671.273.40
University Student Protagonist2.001.523.04
Married Heroine2.001.422.85
Intercrural Sex2.001.352.69
Boobjob2.001.332.66
Sex with Protagonist Only2.001.132.26
Blowjob2.001.122.25
Sixty-nine2.001.072.15
Nameable Protagonist2.000.911.82
High School Student Heroine2.000.851.69
Nukige2.500.651.63
Defloration2.000.761.52
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (87 total)

NameCharactersImportanceWeight
Swim Cap Clothes53.105.56
Sling Bikini Clothes52.614.68
Sports Swimsuit Clothes32.483.44
Twin Boobjob Engages in (Sexual)51.773.17
Swimming Engages in41.963.16
Old Type School Swimsuit Clothes32.092.90
Wedding Ring Clothes32.002.77
Reverse Spitroast Subject of (Sexual)31.842.55
Sex in Water Engages in (Sexual)41.562.52
Tanline Body22.262.48
Female Ejaculation Engages in (Sexual)51.362.44
Boobs on Glass Subject of (Sexual)22.152.37
Sundress Clothes22.142.35
University Student Role31.592.20
Big Breast Sizes Body31.562.16
Wife Role31.532.13
Tanned Body21.902.09
Seventh Posture Subject of (Sexual)31.462.03
Pareo Clothes12.892.00
Infidelity Engages in21.801.97
Quickie Fix Subject of (Sexual)51.081.94
Vaginal Fingering Subject of (Sexual)51.081.93
Standing Sex Subject of (Sexual)41.181.89
Coach Role12.711.88
Spoons Subject of (Sexual)21.671.83
Adult Breast Feeding (obsolete) Engages in (Sexual)12.521.75
Triple Boobjob Engages in (Sexual)12.511.74
Boobjob Engages in (Sexual)41.071.72
Sitting Sex Subject of (Sexual)41.061.71
Discreet Phone Sex Engages in (Sexual)12.451.70
Bodysponge Engages in (Sexual)12.381.65
Bikini Clothes21.461.60
Shrug Clothes12.291.59
Twin Blowjob Engages in (Sexual)21.451.59
Missionary Subject of (Sexual)31.121.55
Cowgirl Subject of (Sexual)40.951.54
Milking (Sexual) Subject of (Sexual)12.201.53
Chinese Dress Clothes12.201.53
Tominagi Subject of (Sexual)21.361.49
Sixty-nine Engages in (Sexual)21.261.38
Decorative Belt Clothes11.981.37
Blowjob Engages in (Sexual)50.761.36
One Piece Swimsuit Clothes11.921.33
Blue Eyes40.801.29
Butterfly Subject of (Sexual)21.171.29
Doggy Style Subject of (Sexual)30.921.28
Intercrural Sex Engages in (Sexual)11.841.28
Pink Rotor Subject of (Sexual)11.841.27
Skirt Suit Clothes11.741.21
Ponytail Hair21.101.21
Reverse Missionary Subject of (Sexual)11.741.20
Crop Top Clothes11.661.15
Garnet Eyes11.661.15
Shy Personality11.621.12
Lactation Engages in11.591.10
Apron Clothes11.591.10
Mole Body11.581.09
Sidehair Hair20.981.08
Long Hair30.751.04
Necklace Clothes11.501.04
Straight Hair20.941.04
Sailor School Uniform Clothes11.471.02
Earrings Clothes11.420.99
Cooking Engages in11.420.98
V Bangs Hair11.410.98
Blunt Bangs Hair11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Nipple Sucking Subject of (Sexual)11.380.96
Skirt Clothes11.340.93
Pubic Hair Hair11.340.93
Pink Hair11.330.92
Black Hair20.810.89
Sex in Public Places Engages in (Sexual)11.260.87
Childhood Friend Role11.260.87
Dress Clothes11.250.87
Violet Hair11.200.83
Blue Hair11.190.83
Brown Hair20.680.75
Miniskirt Clothes11.060.74
Short Hair20.610.67
Shoulder-length Hair10.920.64
Brown Eyes10.900.62
High School Student Role10.850.59
Virgin Sex Engages in (Sexual)10.850.59
Waist Length+ Hair10.810.56
Young-adult Body10.760.53
School Uniform Clothes10.760.52