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Summary

Wakura Mayuko, a newlywed, loses her husband to a ruthless killer and attempts suicide in her despair. Kaga Isamu, a young boy who also lost his parents to a murderer, saves her. Feeling a bond of shared sorrow, Mayuko adopts Isamu and begins a new life together. A decade later, Isamu has grown into a young man. Mayuko, with the help of her psychiatrist brother-in-law Wakura Takafumi, slowly heals from her trauma. However, as she recovers, her memories of her late husband become increasingly distant. One day, Isamu encounters a mysterious girl at a shrine who warns him that Mayuko will soon die a "psychological death" when her heart becomes void. The girl claims to have a solution to prevent this tragedy. However, it is as shocking as the prophecy itself: Isamu must undergo sexual lessons under her guidance to save Mayuko. [Translated and edited from Official Website]

Kiriya Hakushakuke no Roku Shimai
Kiriya Hakushakuke no Roku Shimai
NAN%
Tags
  • Traditionalist Family
  • 20's
  • Romancing a Family
  • Religious Heroine
  • More Than Seven Heroines
Rating 7.42126 Users
Jinrui Saikyou Seiyoku no Yome no Ane
Jinrui Saikyou Seiyoku no Yome no Ane
NAN%
Tags
  • Nympho Heroine
  • Perverted Heroine
  • Single Boobjob
  • Heroine with Big Breasts
  • Adult Breast Feeding
Rating 7.2241 Users
Omokage ~Ecchi na Happening!? Nandemo Dontokoi!~
Omokage ~Ecchi na Happening!? Nandemo Dontokoi!~
NAN%
Tags
  • Anal Multiple Penetration
  • Vaginal Multiple Penetration
  • Public Masturbation
  • Sex Under the Necessity
  • Unlockable Harem Ending
Rating 7.03126 Users
Tsuma no Haha ~Gouman Onna Shachou to Doukyo no Hibi~
Tsuma no Haha ~Gouman Onna Shachou to Doukyo no Hibi~
NAN%
Tags
  • Mayadere Heroine
  • Leader Heroine
  • Unavoidable Heroine Rape by the Protagonist
  • In-law Incest
  • Only Older Heroines
Rating 7.76178 Users
Bishoujo Mangekyou Ibun - Yuki Onna
Bishoujo Mangekyou Ibun - Yuki Onna
NAN%
Tags
  • Yuki-onna Heroine
  • Youkai
  • Martial Artist Protagonist
  • Sword Wielding Protagonist
  • Pure Love Story
Rating 7.68103 Users
Baku Ane 2 ~Otouto, Ippai Shibocchau zo!~
Baku Ane 2 ~Otouto, Ippai Shibocchau zo!~
NAN%
Tags
  • Blood-related Cousin Incest
  • Protagonist's Older Sister as a Heroine
  • Non-penetrative Sex
  • Breast Smothering
  • Big Ass Heroine
Rating 7.81199 Users
Bishoujo Mangekyou -Kami ga Tsukuritamouta Shoujo-tachi-
Bishoujo Mangekyou -Kami ga Tsukuritamouta Shoujo-tachi-
NAN%
Tags
  • Lost Technology
  • Animated Ending
  • Scientist Protagonist
  • Defloration During Common Route
  • Genius Protagonist
Rating 7.71518 Users
Guildmaster
Guildmaster
NAN%
Tags
  • Medium Heroine
  • Monster Support Character
  • Religious Heroine
  • Protagonist's Rival as a Heroine
  • Dungeon Crawling Game
Rating 6.5332 Users
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
NAN%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Dragon Heroine
  • Vampire Heroine
  • Witch Heroine
Rating 7.91283 Users
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Twin Buttjob
  • Protagonist's Non-blood-related Mother as a Heroine
  • Charming Protagonist
  • Protagonist's Older Sister as a Heroine
Rating 7.77272 Users
Tsuma Shibori
Tsuma Shibori
NAN%
Tags
  • Divorcee Heroine
  • Foolish Friend
  • Arranged Marriage
  • Sexual Scenes with Gameplay
  • Gauge Display
Rating 7.93158 Users
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
NAN%
Tags
  • Mother/Son Romance
  • Voiced Default Name
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
  • Secret Romance
Rating 8.16408 Users
Tsumamigui 3 Spin-off
Tsumamigui 3 Spin-off
NAN%
Tags
  • Unavoidable Netorare
  • Netorare Type A
  • Married Heroine
  • Romancing a Family
  • Countryside
Rating 6.96109 Users
Heartful Maman
Heartful Maman
NAN%
Tags
  • Gynophobic/Androphobic Protagonist
  • Avoidable Netorare (obsolete)
  • Netorare Type B
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 7.85295 Users
Oyako x Shuffle! ~Natsuyasumi, W Oyako no Icha Icha Houimou~
Oyako x Shuffle! ~Natsuyasumi, W Oyako no Icha Icha Houimou~
NAN%
Tags
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Cousin Romance
  • Oyakodon Ending
  • Protagonist's Younger Sister as a Heroine
Rating 7.62128 Users
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
NAN%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Non-human Heroine
  • Incest Roleplay
  • Heroine with Children
Rating 8.51342 Users
Aibeya 2
Aibeya 2
NAN%
Tags
  • Bookworm Heroine
  • Protagonist's Childhood Friend as a Heroine
  • Shy Heroine
  • Summer
  • Only a Single Heroine
Rating 7.2574 Users
Suiren to Shion
Suiren to Shion
NAN%
Tags
  • Protagonist with Voiced Changeable Names
  • Cousin Romance
  • Island
  • Non-twin Heroine Sisters
  • Cousin Incest
Rating 7.78202 Users
Saishuu Chikan Densha 3
Saishuu Chikan Densha 3
NAN%
Tags
  • Figure Skater Heroine
  • New Game Plus
  • Trains
  • Chikan Protagonist
  • Chikan
Rating 7.80119 Users
Shigokare ~Ecchi na Joshi Daisei to Doki x2 Love Lesson!!~
Shigokare ~Ecchi na Joshi Daisei to Doki x2 Love Lesson!!~
NAN%
Tags
  • Slice of Life Comedy
  • University Student Heroine
  • Charming Protagonist
  • Triple Boobjob
  • Only Good Endings
Rating 7.85159 Users
Ore no Ue de Agaku Rokunin no Togime
Ore no Ue de Agaku Rokunin no Togime
NAN%
Tags
  • Low Amount of Rape
  • Nude Filter
  • Assassin Heroine
  • Yakuza
  • Anal Masturbation
Rating 7.1034 Users
Bishoujo Mangekyou -Tsumi to Batsu no Shoujo-
Bishoujo Mangekyou -Tsumi to Batsu no Shoujo-
NAN%
Tags
  • Protagonist's Twin as a Heroine
  • Half-orphan Heroine
  • Protagonist's Older Sister as a Heroine
  • Close-up CGs
  • Animated Ending
Rating 7.57506 Users
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
Shin NOZOKI-ma ~Gesshukuya Kanshi 24 Ji~
NAN%
Tags
  • Weak-willed Heroine
  • Uncle/Niece Incest
  • Voyeurism
  • Family
  • Lots of Choices
Rating 6.5823 Users
Oku-sama no Kaifuku Jutsu
Oku-sama no Kaifuku Jutsu
NAN%
Tags
  • Healer Heroine
  • Energy Transfer via Sex
  • Martial Artist Protagonist
  • Protagonist with Phimosis
  • Medieval Fantasy
Rating 6.66256 Users
Tsumamigui 3
Tsumamigui 3
30%
Tags
  • Completely Avoidable Netorare
  • Gauge Display
  • Countryside
  • Unrequited Love
  • Protagonist's Sister-in-Law as a Heroine
Rating 7.98413 Users
Oyako Rankan
Oyako Rankan
29%
Tags
  • Butler Protagonist
  • Protagonist's Older Sister as a Heroine
  • Master and Servant
  • Pregnancy Bad Ending
  • Avoidable Netorare (obsolete)
Rating 7.90306 Users
Heartful Maman
Heartful Maman
28%
Tags
  • Gynophobic/Androphobic Protagonist
  • Avoidable Netorare (obsolete)
  • Netorare Type B
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 7.85295 Users
Tsumamigui 3 Spin-off
Tsumamigui 3 Spin-off
22%
Tags
  • Unavoidable Netorare
  • Netorare Type A
  • Married Heroine
  • Romancing a Family
  • Countryside
Rating 6.96109 Users
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
22%
Tags
  • Mother/Son Romance
  • Voiced Default Name
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
  • Secret Romance
Rating 8.16408 Users
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
21%
Tags
  • Non-blood-related Mother/Son Incest
  • Twin Buttjob
  • Protagonist's Non-blood-related Mother as a Heroine
  • Charming Protagonist
  • Protagonist's Older Sister as a Heroine
Rating 7.77272 Users
Tsuma Shibori
Tsuma Shibori
20%
Tags
  • Divorcee Heroine
  • Foolish Friend
  • Arranged Marriage
  • Sexual Scenes with Gameplay
  • Gauge Display
Rating 7.93158 Users
Guildmaster
Guildmaster
18%
Tags
  • Medium Heroine
  • Monster Support Character
  • Religious Heroine
  • Protagonist's Rival as a Heroine
  • Dungeon Crawling Game
Rating 6.5332 Users
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
18%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Dragon Heroine
  • Vampire Heroine
  • Witch Heroine
Rating 7.91283 Users
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
17%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Non-human Heroine
  • Incest Roleplay
  • Heroine with Children
Rating 8.51342 Users
Suiren to Shion
Suiren to Shion
17%
Tags
  • Protagonist with Voiced Changeable Names
  • Cousin Romance
  • Island
  • Non-twin Heroine Sisters
  • Cousin Incest
Rating 7.78202 Users
Shigokare ~Ecchi na Joshi Daisei to Doki x2 Love Lesson!!~
Shigokare ~Ecchi na Joshi Daisei to Doki x2 Love Lesson!!~
17%
Tags
  • Slice of Life Comedy
  • University Student Heroine
  • Charming Protagonist
  • Triple Boobjob
  • Only Good Endings
Rating 7.85159 Users
Bishoujo Mangekyou -Tsumi to Batsu no Shoujo-
Bishoujo Mangekyou -Tsumi to Batsu no Shoujo-
17%
Tags
  • Protagonist's Twin as a Heroine
  • Half-orphan Heroine
  • Protagonist's Older Sister as a Heroine
  • Close-up CGs
  • Animated Ending
Rating 7.57506 Users
Oku-sama no Kaifuku Jutsu
Oku-sama no Kaifuku Jutsu
17%
Tags
  • Healer Heroine
  • Energy Transfer via Sex
  • Martial Artist Protagonist
  • Protagonist with Phimosis
  • Medieval Fantasy
Rating 6.66256 Users
Jinrui Saikyou Seiyoku no Yome no Jikka
Jinrui Saikyou Seiyoku no Yome no Jikka
17%
Tags
  • Masochist Heroine
  • Heroine with Small Breasts (Non-Loli)
  • Nympho Heroine
  • Heroine with Pubic Hair
  • Perverted Heroine
Rating 6.9845 Users
Hyakki Ryouran no Yakata
Hyakki Ryouran no Yakata
17%
Tags
  • Traditionalist Family
  • Non-twin Heroine Sisters
  • Sex with Others
  • Drunk Sex
  • Intrigue
Rating 7.30111 Users
Ai Shimai IV Kuyashikute Kimochi Yokatta Nante Ienai
Ai Shimai IV Kuyashikute Kimochi Yokatta Nante Ienai
16%
Tags
  • Body Smell Fetish
  • Non-twin Heroine Sisters
  • Chubby Protagonist
  • Hint Corner
  • NEET Protagonist
Rating 7.55180 Users
Choukou Shinki Ixseal
Choukou Shinki Ixseal
16%
Tags
  • Superheroine
  • Consensual Sex with Animals
  • Bred by Monsters
  • Impregnation by Others
  • Maou Protagonist
Rating 7.48105 Users
Biniku no Kaori ~Netori Netorare Yari Yarare~
Biniku no Kaori ~Netori Netorare Yari Yarare~
16%
Tags
  • Tutor Protagonist
  • Reverse Netorare
  • Ending Scene Recollection
  • Lots of Event CGs
  • Panchira
Rating 7.92441 Users
Onee-chan no Yuuwaku
Onee-chan no Yuuwaku
16%
Tags
  • Secret Romance
  • Protagonist's Older Sister as a Heroine
  • Forbidden Love
  • Protagonist's Full Sister as a Heroine
  • Dirty Talk
Rating 7.34670 Users
Ero Zemi ~Ecchi ni Yaru-ki ni ABC~
Ero Zemi ~Ecchi ni Yaru-ki ni ABC~
16%
Tags
  • Principal Heroine
  • Kneepit Sex
  • Mutual Masturbation
  • Masturbation with Object
  • Remote-controlled Vibrator
Rating 7.41127 Users
Jokei Kazoku III ~Himitsu~
Jokei Kazoku III ~Himitsu~
15%
Tags
  • Fictional Modern Day Japanese Island
  • Romancing a Family
  • Evil Route
  • Non-twin Heroine Sisters
  • Sex Involving Drugs
Rating 7.3299 Users
Aniyome -Miboujin-
Aniyome -Miboujin-
15%
Tags
  • In-law Incest
  • Passage of Time
  • Heroine with Children
  • Evil Route
  • Widow Heroine
Rating 6.3856 Users
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Hamehame Love Life~
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Hamehame Love Life~
15%
Tags
  • Sex at Work
  • Salaryman Protagonist
  • Office Lady Heroine
  • Co-worker Heroine
  • Netori
Rating 7.2489 Users

Haha Ranman has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Tags (40 total)

NameScoreImportanceWeight
Taishou Era3.002.647.92
Non-blood-related Mother/Son Incest2.502.225.54
Protagonist's Non-blood-related Mother as a Heroine2.502.175.41
Widow Heroine2.501.974.93
Heroine with Kimono2.501.884.70
Simulation Game2.501.774.42
Student-Teacher Romance2.002.184.36
Yamato Nadeshiko Heroine2.002.044.08
Map Movement3.001.313.93
Soapy Massage2.001.843.68
Sex with Protagonist Only3.001.133.39
Condoms2.001.653.31
Only Good Endings2.001.573.14
Magic2.001.462.91
Kissing Scene2.001.452.89
Background Moans2.001.442.87
Adult Heroine2.501.142.84
Impregnation2.001.372.74
Teacher Heroine2.001.362.73
Vaginal Fingering2.001.262.53
Single Handjob2.001.252.51
Bathroom Sex2.001.192.38
Twin Tail Heroine2.001.182.35
Pregnant Sex2.001.182.35
Single Boobjob2.001.152.31
Quickie Fix Position2.001.112.23
Standing Sex2.001.062.11
Sitting Sex2.001.062.11
Outdoor Sex2.001.001.99
Single Blowjob2.000.971.93
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Heroine with Big Breasts2.000.851.71
Cowgirl2.000.841.68
Doggy Style2.000.801.61
Defloration2.000.761.52
Sexual Content2.000.631.26
Male Protagonist2.500.300.76
ADV2.000.150.29
2.000.000.00

Traits (148 total)

NameCharactersImportanceWeight
Visible Cervix Penetration Subject of (Sexual)32.763.83
Geta Clothes32.713.76
University Teacher Role22.843.12
Condom Sex Engages in (Sexual)32.142.97
Hyogo Hair13.922.72
Adult Breast Feeding (obsolete) Engages in (Sexual)22.382.61
Clothing with Ribbons Clothes41.572.53
Makeup Body41.542.48
Non-blood-related Incest Engages in (Sexual)22.162.37
Swordsmanship Engages in22.152.36
Psychiatrist Role13.402.35
Shopkeeper Role22.092.30
Ribbon Hair Accessory Clothes31.652.29
Parent Act Role13.262.26
Forward Knot Obi Clothes13.202.22
Ankle Socks Clothes22.012.20
Shinai Items13.182.20
Lactation Engages in31.592.20
Wedding Ring Clothes22.002.20
Yamato Nadeshiko Role22.002.19
Betrothed Role21.982.18
Pregnant Sex Engages in (Sexual)31.532.12
High-class Prostitute Role13.002.08
Father Complex Personality12.992.07
Belt Clothes41.272.05
Brother-in-law Role12.922.03
Chemise Clothes12.892.01
Off-The-Shoulder Kimono Clothes12.892.00
Braid Hair21.781.96
Adult Breast Feeding (obsolete) Subject of (Sexual)12.811.95
Sword Items21.771.95
Blunt Bangs Hair31.401.94
Nipple Sucking Subject of (Sexual)31.381.92
Braided Headband Hair12.591.80
Kendo Engages in12.571.78
Sidehair Hair50.981.75
Single Parent Role12.521.74
Non-blood-related Son Role12.491.72
Kanzashi Clothes12.481.72
Kimono Clothes21.561.72
Sitting Sex Subject of (Sexual)41.061.71
Bodysponge Engages in (Sexual)12.381.65
Non-blood-related Mother Role12.371.65
Sex involving Prostitution Engages in (Sexual)12.371.64
Reincarnation Subject of12.341.62
Cunnilingus Subject of (Sexual)31.161.61
Transparent Clothes12.311.60
Flower Clothes12.291.59
Working Out Engages in12.291.59
Pantyhose Clothes21.421.56
Missionary Subject of (Sexual)31.121.55
Body Ribbon Clothes12.221.54
Widow Role12.201.53
Bathroom Sex Engages in (Sexual)21.391.53
Straight Hair40.951.52
Seduction Engages in12.181.51
Hakama Clothes12.161.50
Off-The-Shoulder Shirt Clothes12.151.49
Bukkake Subject of (Sexual)21.351.48
Book Items12.121.47
Pubic Hair Hair21.341.47
Skirt Clothes21.331.47
Wounding Subject of12.091.45
Waitstaff Uniform Clothes12.061.43
Amber Eyes31.031.43
Bow Tie Clothes12.041.42
Ringlet Hair12.001.38
Decorative Belt Clothes11.981.37
Vaginal Gaping Engages in (Sexual)11.951.35
Over The Knee Socks Clothes11.941.35
Military Uniform Clothes11.941.34
Cravat Clothes11.921.33
Younger Brother Role11.901.32
Grief Subject of11.901.32
Waist Length+ Hair40.811.30
Jealous Personality11.881.30
Standing Sex Subject of (Sexual)21.181.29
Boobjob Subject of (Sexual)11.861.29
Handjob Engages in (Sexual)21.161.27
Waitstaff Role11.821.26
Mature Personality11.811.26
Infidelity Engages in11.801.24
Hair Flower Clothes11.771.22
Handjob Subject of (Sexual)11.751.22
Deredere Personality11.741.21
Cheerful Personality11.741.21
Mischievous Personality11.731.20
Proactive Personality11.721.19
Reserved Personality11.721.19
Vaginal Fingering Subject of (Sexual)21.081.19
Orphan Role11.701.18
Stoic Personality11.701.18
Protective Personality11.681.16
Stubborn Personality11.681.16
Parted to Side Hair21.051.16
Spoons Subject of (Sexual)11.671.16
Relaxed Personality11.641.13
Mini-dress Clothes11.641.13
Maid's Headdress Clothes11.631.13
Vaginal Fingering Engages in (Sexual)11.621.12
Grey Eyes11.601.11
University Student Role11.591.10
Brown Hair40.681.10
Apron Clothes11.591.10
Big Breast Sizes Body11.541.07
Young-adult Body30.761.06
Blowjob Engages in (Sexual)30.761.06
Energetic Personality11.521.05
Cowgirl Subject of (Sexual)20.951.05
Maid's Dress Clothes11.511.05
Group Sex Engages in (Sexual)11.501.04
Choker Clothes11.501.04
Slim Body50.581.03
Sailor School Uniform Clothes11.481.03
Doggy Style Subject of (Sexual)20.931.02
Seventh Posture Subject of (Sexual)11.461.01
Smart Personality11.461.01
Daughter Role11.461.01
Black Eyes11.420.99
Jacket Clothes11.420.98
Gloves Clothes11.410.98
Pleated Skirt Clothes11.400.97
Tsurime Eyes11.380.96
Tominagi Subject of (Sexual)11.360.94
Fighting Engages in11.290.89
Sex in Public Places Engages in (Sexual)11.260.87
Classmate Role11.230.85
Violet Hair11.190.83
Ribbon Hair Tie Clothes11.190.83
Butterfly Subject of (Sexual)11.170.81
Shirt Clothes11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Big Breasts Body11.140.79
Twin Tails Hair11.130.78
Ponytail Hair11.100.76
Glasses Clothes11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Kind Personality11.030.71
Teen Body20.620.68
Pale Body50.370.66
Brown Eyes10.900.63
Virgin Sex Engages in (Sexual)10.850.59
Black Hair10.810.56
Long Hair10.750.52
School Uniform Clothes10.750.52
Short Hair10.610.42
20.000.00