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Summary

Ryo Shinichi was an expert masturbator who hung out in a certain online community called "Zzz Market". It was a place for sleep sex fetishists to indulge their fantasy. Ryo: "Oh yeah. Time to jack off to some sleeping angels." He noted a thread in the forums. "SLEEP SEX IS REAL: How to be a minkan meister." It seemed like the usual clickbait, but he read the strategy. A light went on over his head. "This... this can be done!" Ryo went all in. With his flawless minkan (sleep sex) technique, he was ready to slip inside the nearest schoolgirl! [Edited from DLsite English]

Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
NAN%
Tags
  • Fictional Modern Day Japanese Countryside
  • Reincarnation
  • Gynecologist Chair
  • New Game Plus
  • Heroine with Tan Lines
Rating 6.5729 Users
Ane to Imouto o Iinari ni Suru 10 no Kairitsu ~Hou mo Shimai mo Okashitsukuse!~
Ane to Imouto o Iinari ni Suru 10 no Kairitsu ~Hou mo Shimai mo Okashitsukuse!~
NAN%
Tags
  • Triple Footjob
  • Discipline Committee Member Heroine
  • Protagonist's Twin as a Heroine
  • Comedy Rape
  • Foolish Protagonist
Rating 5.9926 Users
Oyaji demo Joshi Gakusei to Haramase Tajuukon ga Dekiru Houritsu ga Dekimashita! ~Gyaru to Seiso Bitch Musume ga Ore no Niku Yome!~
Oyaji demo Joshi Gakusei to Haramase Tajuukon ga Dekiru Houritsu ga Dekimashita! ~Gyaru to Seiso Bitch Musume ga Ore no Niku Yome!~
NAN%
Tags
  • Quickie
  • Waiting Staff Protagonist
  • Ugly Protagonist
  • Part-time Job
  • Defloration During Common Route
Rating 6.3820 Users
Tsun M! ~Gyutto Shibatte Shidoushite~
Tsun M! ~Gyutto Shibatte Shidoushite~
NAN%
Tags
  • Heroine with Inverted Nipples
  • Heroine with Tan Lines
  • Masochist Heroine
  • Heroine with Swimsuits
  • Tsundere Heroine
Rating 6.6620 Users
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
NAN%
Tags
  • Cosplay
  • Shota Protagonist
  • Straight Shotacon
  • Heroine with Swimsuits
  • Sex in Water
Rating 6.4422 Users
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
Uwaki Tsuma ~Kyonyuu Hitozuma Midare Manshon~
NAN%
Tags
  • Shimaidon
  • Non-twin Heroine Sisters
  • Homemaker Protagonist
  • Protagonist in Relationship
  • Married Heroine
Rating 6.4824 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
NAN%
Tags
  • Pregnancy
  • Netorare
  • Clothed Female Naked Male
  • Impregnation
  • Netorare Type B
Rating 6.7339 Users
Shojo Mama
Shojo Mama
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Futanari on Male
  • Clumsy Heroine
  • Domicile
  • Cross-dressing
Rating 6.2420 Users
Saiminjutsu o Tameshitara Onaji Mansion no Bakunyuu Hitozuma ga Ore no Mono ni Natta
Saiminjutsu o Tameshitara Onaji Mansion no Bakunyuu Hitozuma ga Ore no Mono ni Natta
NAN%
Tags
  • Impregnation
  • Discreet Phone Sex
  • Footjob
  • Unlockable Harem Ending
  • Erotic Mind Control
Rating 5.8826 Users
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
NAN%
Tags
  • Production of Pornography (Professional)
  • Unavoidable Netorare
  • Only Adult Heroines
  • Married Heroine
  • Protagonist in Relationship
Rating 6.3222 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
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
NAN%
Tags
  • Protagonist's Employee as a Heroine
  • Oyakodon
  • Chubby Protagonist
  • Oyakodon Ending
  • Blowjob Duck Face
Rating 6.0826 Users
Chikan Sen
Chikan Sen'you Sharyou ~Kutsujoku no Chikan Densha~
NAN%
Tags
  • Chikan Protagonist
  • Sexual Slavery (Choukyou Variation)
  • Sex in a Vehicle
  • Sexual Corruption
  • Molestation on Public Transport
Rating 6.2835 Users
Akogare no Onee-chan wa Choukyou Shigansha?!
Akogare no Onee-chan wa Choukyou Shigansha?!
NAN%
Tags
  • Masochist Heroine
  • Sexual Slavery (Consensual)
  • BDSM
  • University Student Heroine
  • Sexual Devices
Rating 6.2127 Users
Bijiri o Yurashi Hoka no Otoko to Kairaku o Musaboru Midarazuma: Gomennasai, demo Anata no Mono ja Watashi Manzoku Dekinai no...
Bijiri o Yurashi Hoka no Otoko to Kairaku o Musaboru Midarazuma: Gomennasai, demo Anata no Mono ja Watashi Manzoku Dekinai no...
NAN%
Tags
  • Netorase
  • Netorare
  • Protagonist in Relationship
  • Married Heroine
  • Only Non-Virgin Heroines
Rating 6.5320 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
Injoku Senkyosen ~Hakudaku ni Somaru Kaichou Sen~
NAN%
Tags
  • Single Hole Double Penetration (obsolete)
  • Villainous Protagonist
  • Blowbang
  • Student Council President Heroine
  • Clothed Male Naked Female
Rating 6.6033 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
NAN%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
NAN%
Tags
  • Heroine with Baby Complex
  • Sex with Monster Girls
  • Student Council President Heroine
  • Protagonist in Relationship
  • Monster Girl Heroine
Rating 6.4723 Users
Seisenki Valkyrie Sisters ~Yami ni Ochita Idol~
Seisenki Valkyrie Sisters ~Yami ni Ochita Idol~
NAN%
Tags
  • Fighting Princess Heroine
  • Mahou Shoujo Heroine
  • Journalist Protagonist
  • Energy Transfer via Sex
  • Corruption of Characters
Rating 6.7020 Users
Sexfriend
Sexfriend
NAN%
Tags
  • Reverse Netorare
  • Sexual Scenes with Gameplay
  • Panchira
  • Clothing ON/OFF
  • Long Sexual Scenes
Rating 6.7735 Users
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
NAN%
Tags
  • Shotacon
  • Exhibitionism
  • Clothed Male Naked Female
  • Cousin Incest
  • Straight Shotacon
Rating 6.3924 Users
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
Ore to Imouto no Kounai Play 2 ~Imouto wa Ore ga Otosu~
34%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Brother/Sister Romance
  • Consensual Phone Sex
  • Completely Avoidable Netorare
  • Blood-related Brother/Sister Incest
Rating 6.4823 Users
Haka no Rensa ni Torawareta Shojo
Haka no Rensa ni Torawareta Shojo
33%
Tags
  • Chikan Protagonist
  • Shimaidon Ending
  • Molestation on Public Transport
  • Heroine with Sport Bloomers
  • Public Masturbation
Rating 6.0612 Users
Chikan Sen
Chikan Sen'you Sharyou ~Kutsujoku no Chikan Densha~
31%
Tags
  • Chikan Protagonist
  • Sexual Slavery (Choukyou Variation)
  • Sex in a Vehicle
  • Sexual Corruption
  • Molestation on Public Transport
Rating 6.2835 Users
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
Yowami o Nigitte Hitozuma to Sono Musume o Pakottemita.
29%
Tags
  • Protagonist's Employee as a Heroine
  • Oyakodon
  • Chubby Protagonist
  • Oyakodon Ending
  • Blowjob Duck Face
Rating 6.0826 Users
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
Irekawa Onee-chan, Boku no Karada de Onani Shichau no!?
29%
Tags
  • Body Swapping
  • Genderbent Sex
  • Non-blood-related Brother/Sister Incest
  • Incest
  • Protagonist's Sister as a Heroine
Rating 6.5534 Users
Saiminjutsu o Tameshitara Onaji Mansion no Bakunyuu Hitozuma ga Ore no Mono ni Natta
Saiminjutsu o Tameshitara Onaji Mansion no Bakunyuu Hitozuma ga Ore no Mono ni Natta
29%
Tags
  • Impregnation
  • Discreet Phone Sex
  • Footjob
  • Unlockable Harem Ending
  • Erotic Mind Control
Rating 5.8826 Users
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
29%
Tags
  • Production of Pornography (Professional)
  • Unavoidable Netorare
  • Only Adult Heroines
  • Married Heroine
  • Protagonist in Relationship
Rating 6.3222 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
28%
Tags
  • Pregnancy
  • Netorare
  • Clothed Female Naked Male
  • Impregnation
  • Netorare Type B
Rating 6.7339 Users
Shojo Mama
Shojo Mama
28%
Tags
  • Non-blood-related Mother/Son Incest
  • Futanari on Male
  • Clumsy Heroine
  • Domicile
  • Cross-dressing
Rating 6.2420 Users
Bijiri o Yurashi Hoka no Otoko to Kairaku o Musaboru Midarazuma: Gomennasai, demo Anata no Mono ja Watashi Manzoku Dekinai no...
Bijiri o Yurashi Hoka no Otoko to Kairaku o Musaboru Midarazuma: Gomennasai, demo Anata no Mono ja Watashi Manzoku Dekinai no...
28%
Tags
  • Netorase
  • Netorare
  • Protagonist in Relationship
  • Married Heroine
  • Only Non-Virgin Heroines
Rating 6.5320 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
27%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
27%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Seisenki Valkyrie Sisters ~Yami ni Ochita Idol~
Seisenki Valkyrie Sisters ~Yami ni Ochita Idol~
27%
Tags
  • Fighting Princess Heroine
  • Mahou Shoujo Heroine
  • Journalist Protagonist
  • Energy Transfer via Sex
  • Corruption of Characters
Rating 6.7020 Users
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
Kurokami Kyonyuu Iinchou to Souta-kun no Natsuyasumi
26%
Tags
  • Shotacon
  • Exhibitionism
  • Clothed Male Naked Female
  • Cousin Incest
  • Straight Shotacon
Rating 6.3924 Users
Tadakano ~Tadashii Kanojo no Tsukurikata~
Tadakano ~Tadashii Kanojo no Tsukurikata~
26%
Tags
  • Completely Avoidable Netorare
  • Swinging
  • Few Choices
  • Half-Japanese Heroine
  • Early Sexual Content
Rating 6.6522 Users
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen
Nee-chan, Gomen Dashichatta! ~Onee-chan wa Boku Sen'you~
26%
Tags
  • Incest Romance
  • Forbidden Love
  • Dirty Talk
  • Siscon Protagonist
  • Non-twin Heroine Sisters
Rating 6.9778 Users
Mazo x Love
Mazo x Love
26%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 Users
Oshirikko Venus 2
Oshirikko Venus 2
26%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2533 Users
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
26%
Tags
  • Cook Protagonist
  • Gymnastic Heroine
  • Hotblooded Protagonist
  • Impregnation Choice
  • Artist Heroine
Rating 6.9041 Users
Nee, Amaete! ~Futari no Ane to Mi mo Kokoro mo Torokeru Seikatsu~
Nee, Amaete! ~Futari no Ane to Mi mo Kokoro mo Torokeru Seikatsu~
26%
Tags
  • Shimaidon Ending
  • Chosen Choices Marking
  • Brocon Heroine
  • Twin Handjob
  • Protagonist's Blood-related Sister as a Heroine
Rating 6.9523 Users
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
26%
Tags
  • Shotacon Heroine
  • Shota Protagonist
  • Oneesan-type Heroine
  • Straight Shotacon
  • Naked Heroine with Apron
Rating 6.5820 Users
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
Netori Gakuen ~Kareshi Mochi Demo Okamainashi! Yaritai Houdai ADV~
25%
Tags
  • Heroine in Relationship with Other(s)
  • Protagonist with Phimosis
  • Arrogant Heroine
  • Student Council Member Heroine
  • Netori
Rating 6.3847 Users
Tsukumo Onna Aoe
Tsukumo Onna Aoe
25%
Tags
  • Anal Masturbation
  • Threesome Ending
  • Few Choices
  • Heroine with Kimono
  • Heroine with Sexual Experience
Rating 6.5533 Users
Shakkin Hensai Ura Fuuzoku
Shakkin Hensai Ura Fuuzoku
25%
Tags
  • Sex Involving Prostitution
  • Nameable Heroine(s)
  • Office Lady Heroine
  • Prostitute Heroine
  • Sex Under the Necessity
Rating 6.0116 Users

Dokidoki Sleeping Zzz Sex! ~Ki ni naru Ano Ko ni Nakadashi Chitsu Kaihatsu♪~ 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 (13 total)

NameScoreImportanceWeight
Sex with Sleepers2.671.905.08
Heroine with Spats2.002.404.80
Heroine with Swimsuits2.001.643.29
Ponytail Heroine2.001.402.81
Heroine with Glasses2.001.112.22
Only Virgin Heroines2.001.082.17
Cunnilingus2.000.931.86
Doggy Style2.000.811.61
Defloration2.000.761.52
Nukige2.000.651.30
Male Protagonist2.000.300.60
ADV2.000.140.29
2.000.000.00

Traits (63 total)

NameCharactersImportanceWeight
Sleep Sex Subject of (Sexual)32.493.45
Piledriver Subject of (Sexual)21.942.13
Sleep Sex Engages in (Sexual)12.761.91
Blindfold Clothes12.541.76
Sleepyhead Personality12.521.74
Watashi Personality31.251.73
Sports Engages in12.441.69
Student Role21.491.64
Nightgown Clothes12.281.58
Spats Clothes12.201.53
Object Insertion Subject of (Sexual)12.141.48
Bukkake Subject of (Sexual)21.351.48
Shimapan Clothes12.141.48
Skirt Clothes21.341.47
Sports Uniform Clothes12.101.45
Anilingus Subject of (Sexual)12.051.42
Reading Engages in12.041.41
Sex in a Vehicle Engages in (Sexual)12.031.41
Sex in Public Places Engages in (Sexual)21.261.38
Neighbor Role11.991.38
Over The Knee Socks Clothes11.951.35
Airhead Personality11.921.33
Cousin Role11.881.30
Standing Sex Subject of (Sexual)21.181.29
Sexual Blindfold Subject of (Sexual)11.861.29
Cunnilingus Subject of (Sexual)21.161.28
Hair Ribbon Clothes11.801.25
Hidden Eyes11.801.25
Pajamas Clothes11.751.21
Reverse Missionary Subject of (Sexual)11.741.20
Proactive Personality11.721.19
Virgin Sex Engages in (Sexual)30.851.18
Carefree Personality11.681.17
No Bangs Hair11.651.14
Sweater Clothes11.631.13
Doggy Style Subject of (Sexual)20.921.02
Pantyhose Clothes11.430.99
Cooking Engages in11.420.98
Hair Tie Clothes11.410.98
Hairpin Clothes11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Female Ejaculation Engages in (Sexual)11.360.95
Red Hair11.320.92
Dress Clothes11.250.87
Teen Body30.620.86
Blowjob Engages in (Sexual)20.760.84
Blue Hair11.190.83
Shirt Clothes11.160.80
Slim Body30.580.80
Ponytail Hair11.100.76
Glasses Clothes11.080.75
Boobjob Engages in (Sexual)11.070.74
Parted to Side Hair11.050.73
Violet Eyes11.050.73
Amber Eyes11.030.72
Sidehair Hair10.980.68
Waist Length+ Hair10.810.56
Black Hair10.810.56
Blue Eyes10.800.56
School Uniform Clothes10.760.52
Pale Body30.370.51
Brown Hair10.680.47
Short Hair10.610.42