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Summary

In the near future, virtual reality (VR) has become widespread. The protagonist is an ordinary office worker who enjoys adventures in one of those fantasy worlds. He works at his company during the day and spends his evenings adventuring in the fantasy world. He has a younger sister who is a student, and a pro gamer, they used to get play together and party when she was young. Recently, however, she became difficult to get along with...... One day, as Christmas approaches, he notices a light leaking from his sister's room. She is in the middle of the Christmas event in the game and has been logging in for a long time lately. The protagonist tries to warn her to go to bed early, but He gets excited by the sight of his little sister wearing a VR headset and looking so defenceless. The protagonist, who loves his little sister, is so turned on by her that he ends up masturbating using her defenceless body as fuel......

Kurikuri Click ~Ore no Renaissance~
Kurikuri Click ~Ore no Renaissance~
NAN%
Tags
  • Lotion Play
  • Erotic Massage
  • Knight Heroine
  • Heroine with a Braid
  • Ponytail Heroine
Rating 6.4634 Users
Hame Pako Ou-sama Game! ~Goukon Izakaya Hen~
Hame Pako Ou-sama Game! ~Goukon Izakaya Hen~
NAN%
Tags
  • Gyaru Heroine
  • University Student Heroine
  • Threesome
  • University Student Protagonist
  • Dark Skinned Heroine
Rating 6.2525 Users
Yuganda Ren
Yuganda Ren'ai Moyou
NAN%
Tags
  • Facesitting
  • Threesome
  • Heroine with Crotchless Clothing
  • Double Penetration (Group Sex)
  • Heroine with Tights
Rating 7.4836 Users
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
NAN%
Tags
  • Heroine with Gigantic Breasts
  • Onsen
  • Only Adult Heroines
  • Lactation During Sex
  • Soapy Massage
Rating 6.8327 Users
Monmusu ni Seifuku Sareta Sekai
Monmusu ni Seifuku Sareta Sekai
NAN%
Tags
  • Female Domination Only
  • No Auto Function
  • Unnamed Protagonist
  • Reverse Rape
  • No Hero(in)es
Rating 5.8920 Users
Kuro Gyaru Bitch ni Shasei Kanri Saremashita? ~Aashi ni Ironna Kakkou Sasete Koufun Suru toka Kimoin Desu kedo~
Kuro Gyaru Bitch ni Shasei Kanri Saremashita? ~Aashi ni Ironna Kakkou Sasete Koufun Suru toka Kimoin Desu kedo~
NAN%
Tags
  • Bimbofication
  • Gyaru Heroine
  • Handjob
  • Dark Skinned Heroine
  • Background Moans
Rating 6.6421 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
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
NAN%
Tags
  • Production of Pornography (Professional)
  • Actress Heroine
  • Mirror Sex
  • Only Non-Virgin Heroines
  • Condoms
Rating 6.2125 Users
Migite ga Tomaranai Boku to, Shinjin Nurse
Migite ga Tomaranai Boku to, Shinjin Nurse
NAN%
Tags
  • Highly Animated Sprites
  • Nurse Heroine
  • Heroine with Garter Belt
  • Stockings
  • Only a Single Heroine
Rating 6.9726 Users
Bimajo no Yuuwaku ~Kanreki Bijin Mama no Wakasa no Himitsu~
Bimajo no Yuuwaku ~Kanreki Bijin Mama no Wakasa no Himitsu~
NAN%
Tags
  • Obacon
  • Reverse Netorare
  • Discreet Phone Sex
  • Only One Bad Ending
  • Only One Good Ending
Rating 5.5760 Users
Yamitsuki Yandere Harem!
Yamitsuki Yandere Harem!
NAN%
Tags
  • Yandere Heroine
  • Heroine with Huge Breasts
  • Hair Pulling (Sexual)
  • Only Virgin Heroines
  • Nursing Handjob
Rating 6.5236 Users
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
NAN%
Tags
  • Fathercon Heroine
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Widow(er) Protagonist
  • Sex on a Roof
Rating 6.2721 Users
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
NAN%
Tags
  • Reverse Netorare
  • Female Protagonist for a Short Time
  • Heroine with Children
  • Only Non-Virgin Heroines
  • Only One Good Ending
Rating 6.3538 Users
Hitozuma Tenchou no Chitai Kinmu ~Yakin Baito no Tanoshimi Kata~
Hitozuma Tenchou no Chitai Kinmu ~Yakin Baito no Tanoshimi Kata~
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Masturbation in front of an Audience
  • Food Play
  • Fingering
  • Married Heroine
Rating 5.4132 Users
Venus Resort: Kyonyuu Rankou Island ~Tajika Ui Hen~
Venus Resort: Kyonyuu Rankou Island ~Tajika Ui Hen~
NAN%
Tags
  • Photographer Protagonist
  • Cosplay
  • Drug Use
  • Nipple Piercing
  • Bleep Censor
Rating 7.1820 Users
Mai Yome ~My Yome~
Mai Yome ~My Yome~
NAN%
Tags
  • Sex Involving Children
  • Only Younger Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Loli Heroines
  • Deredere Heroine
Rating 5.6020 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
Do M Imouto no Roshutsu Yuugi ~Dare ni mo Ienai Himitsu no Asobi~
Do M Imouto no Roshutsu Yuugi ~Dare ni mo Ienai Himitsu no Asobi~
NAN%
Tags
  • Live Sexual Broadcast
  • Brother/Sister Incest
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Younger Sister as a Heroine
  • Perverted Heroine
Rating 5.8120 Users
Boku Iro Ni Somaru Oba
Boku Iro Ni Somaru Oba
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Aunt/Nephew Incest
  • Mirror Sex
  • Shota Protagonist
  • Scenario Selection
Rating 6.6470 Users
Onee-chan (tachi) wa Osewa Saretai!
Onee-chan (tachi) wa Osewa Saretai!
NAN%
Tags
  • Non-blood-related Brother/Sister Incest
  • Oyakodon
  • Single Buttjob
  • Background Moans
  • University Student Protagonist
Rating 6.6633 Users
Seiyoku ga Tomaranai Goshujin-sama to Sannin no Maid-tachi
Seiyoku ga Tomaranai Goshujin-sama to Sannin no Maid-tachi
NAN%
Tags
  • Breast Smothering
  • Ejaculation Forewarner
  • Nursing Handjob
  • Heroine with Intake Hairstyle
  • Penile Masturbation
Rating 7.2250 Users
Imouto ga Saimin Appli o Tsukatte Kita
Imouto ga Saimin Appli o Tsukatte Kita
NAN%
Tags
  • Erotic Mind Control Roleplay
  • Non-erotic Mind Control
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Only Loli Heroines
Rating 6.0125 Users
Otto o Aisuru Bakunyuu Hitozuma-tachi ga Toshishita no Saru Seiyoku ni Jurin sarete Tsugou no ii Harami Omocha ni Ochiru Made
Otto o Aisuru Bakunyuu Hitozuma-tachi ga Toshishita no Saru Seiyoku ni Jurin sarete Tsugou no ii Harami Omocha ni Ochiru Made
NAN%
Tags
  • Pig Cosplay
  • Arrogant Protagonist
  • Sadist Protagonist
  • Sexual Harassment
  • Heroine with Crotchless Clothing
Rating 6.08106 Users
Kankin Byoutou ~Kyonyuu Chijo Nurse no Nyuuin Kango Kiroku~
Kankin Byoutou ~Kyonyuu Chijo Nurse no Nyuuin Kango Kiroku~
NAN%
Tags
  • Hospital
  • Sex on a Roof
  • Nursing Handjob
  • Medical Doctor Heroine
  • Nurse Heroine
Rating 7.1857 Users
Kanojo no Imouto to Himitsu no Stay Home ~Uchiki Musume ga Haitoku Netori!~
Kanojo no Imouto to Himitsu no Stay Home ~Uchiki Musume ga Haitoku Netori!~
25%
Tags
  • Reverse Netorare
  • Shimaidon
  • Completion Status Indicator
  • Shimaidon Ending
  • Short Sexual Scenes
Rating 6.0468 Users
Haramasete ♪ Hitozuma Shoutengai ~Yari Houdai Hame Houdai Nakadashi Kanshasai Kaisai Chu ♪~
Haramasete ♪ Hitozuma Shoutengai ~Yari Houdai Hame Houdai Nakadashi Kanshasai Kaisai Chu ♪~
25%
Tags
  • Birthrate Decline
  • Unavoidable Harem Ending
  • Shopkeeper Heroine
  • Body Food
  • Heroine's Mother as a Heroine
Rating 5.5983 Users
Hitozuma Tenchou no Chitai Kinmu ~Yakin Baito no Tanoshimi Kata~
Hitozuma Tenchou no Chitai Kinmu ~Yakin Baito no Tanoshimi Kata~
24%
Tags
  • Protagonist's Boss as a Heroine
  • Masturbation in front of an Audience
  • Food Play
  • Fingering
  • Married Heroine
Rating 5.4132 Users
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
21%
Tags
  • Reverse Netorare
  • Female Protagonist for a Short Time
  • Heroine with Children
  • Only Non-Virgin Heroines
  • Only One Good Ending
Rating 6.3538 Users
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
Papa, Dakishimete Ageru ~Babumi na Manamusume no Bosei ni Amaete Nakadashi Zanmai~
20%
Tags
  • Fathercon Heroine
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Widow(er) Protagonist
  • Sex on a Roof
Rating 6.2721 Users
Bimajo no Yuuwaku ~Kanreki Bijin Mama no Wakasa no Himitsu~
Bimajo no Yuuwaku ~Kanreki Bijin Mama no Wakasa no Himitsu~
19%
Tags
  • Obacon
  • Reverse Netorare
  • Discreet Phone Sex
  • Only One Bad Ending
  • Only One Good Ending
Rating 5.5760 Users
Yamitsuki Yandere Harem!
Yamitsuki Yandere Harem!
19%
Tags
  • Yandere Heroine
  • Heroine with Huge Breasts
  • Hair Pulling (Sexual)
  • Only Virgin Heroines
  • Nursing Handjob
Rating 6.5236 Users
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
19%
Tags
  • Production of Pornography (Professional)
  • Actress Heroine
  • Mirror Sex
  • Only Non-Virgin Heroines
  • Condoms
Rating 6.2125 Users
Migite ga Tomaranai Boku to, Shinjin Nurse
Migite ga Tomaranai Boku to, Shinjin Nurse
19%
Tags
  • Highly Animated Sprites
  • Nurse Heroine
  • Heroine with Garter Belt
  • Stockings
  • Only a Single Heroine
Rating 6.9726 Users
Mai Yome ~My Yome~
Mai Yome ~My Yome~
19%
Tags
  • Sex Involving Children
  • Only Younger Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Loli Heroines
  • Deredere Heroine
Rating 5.6020 Users
Do M Imouto no Roshutsu Yuugi ~Dare ni mo Ienai Himitsu no Asobi~
Do M Imouto no Roshutsu Yuugi ~Dare ni mo Ienai Himitsu no Asobi~
19%
Tags
  • Live Sexual Broadcast
  • Brother/Sister Incest
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Younger Sister as a Heroine
  • Perverted Heroine
Rating 5.8120 Users
Onee-chan (tachi) wa Osewa Saretai!
Onee-chan (tachi) wa Osewa Saretai!
18%
Tags
  • Non-blood-related Brother/Sister Incest
  • Oyakodon
  • Single Buttjob
  • Background Moans
  • University Student Protagonist
Rating 6.6633 Users
Imouto ga Saimin Appli o Tsukatte Kita
Imouto ga Saimin Appli o Tsukatte Kita
18%
Tags
  • Erotic Mind Control Roleplay
  • Non-erotic Mind Control
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Only Loli Heroines
Rating 6.0125 Users
Kankin Byoutou ~Kyonyuu Chijo Nurse no Nyuuin Kango Kiroku~
Kankin Byoutou ~Kyonyuu Chijo Nurse no Nyuuin Kango Kiroku~
18%
Tags
  • Hospital
  • Sex on a Roof
  • Nursing Handjob
  • Medical Doctor Heroine
  • Nurse Heroine
Rating 7.1857 Users
Camera o Tomenaide! ~Wakazuma no Kakusareta Yokubou~
Camera o Tomenaide! ~Wakazuma no Kakusareta Yokubou~
17%
Tags
  • Photographer Protagonist
  • Infidelity
  • Heroine with Pubic Hair
  • Group Sex of One Female and Several Males
  • Female Protagonist
Rating 5.3035 Users
Mondou Muyou! Tanezuke Kyokashou ~Rettou Idenshi no Ore demo Kokka Kenryoku de Naka Dashi Houdai~
Mondou Muyou! Tanezuke Kyokashou ~Rettou Idenshi no Ore demo Kokka Kenryoku de Naka Dashi Houdai~
17%
Tags
  • Sex License
  • Kendo Club
  • Sex Under the Necessity
  • Pregnancy
  • School Sports Club Member Heroine
Rating 6.5923 Users
Gyakuten Majo Saiban -Yasashii Takaho Onee-chan wa Majo Chijo Bitch-
Gyakuten Majo Saiban -Yasashii Takaho Onee-chan wa Majo Chijo Bitch-
17%
Tags
  • Straight Shotacon
  • Witch Heroine
  • Shoejob
  • Heroine with Visible Panties
  • Pegging
Rating 6.3728 Users
Wakagaeri Haha ~Kuchiurusai Oba-san ga Bishoujo ni Naru Nante Hansoku desho!?~
Wakagaeri Haha ~Kuchiurusai Oba-san ga Bishoujo ni Naru Nante Hansoku desho!?~
17%
Tags
  • Rejuvenation
  • Heroine in Relationship with Other(s)
  • Only Blood-related Heroines
  • Only Older Heroines
  • Blood-related Mother/Son Incest
Rating 5.5424 Users
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
Mametsuhime Mikoto ~Jusei Hisshi no Ishu Kangoku~
17%
Tags
  • Pig Cosplay
  • Huge Insertion
  • Monster Rape
  • Sexual Corruption
  • Plant Sex
Rating 6.9224 Users
Let
Let's Kaitou! Nusumi Kei!? -Ano Ko no Heart no Nusumikata, Oshiemasu♪-
17%
Tags
  • Phantom Thieves
  • Thief Heroine
  • Parody
  • Heroine with Tights
  • Super Deformed CG's
Rating 6.4620 Users
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
17%
Tags
  • Sex on a Beach
  • Highly Animated Sprites
  • Lip Sync
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 7.2739 Users
Haitoku no Kyousei Tanetsuke ~ Ai Suru Tsuma no Naka ni Sosogikomareru Hoka no Otoko no Seieki
Haitoku no Kyousei Tanetsuke ~ Ai Suru Tsuma no Naka ni Sosogikomareru Hoka no Otoko no Seieki
16%
Tags
  • Naked Dogeza
  • Sex in Front of an Audience
  • Protagonist's Wife as a Heroine
  • Only Non-Virgin Heroines
  • Facesitting
Rating 6.3828 Users
Kuro Gyaru Musume to no In
Kuro Gyaru Musume to no In'yoku Soukan ~Honrou Sareru Chichioya no Seiyoku~
16%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Gyaru Heroine
  • Reverse Netorare
  • Infidelity
Rating 6.1475 Users

Toshinosa Kyoudai to, Wasurerareta Yoru 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 (23 total)

NameScoreImportanceWeight
Gamer Heroine3.002.176.51
Siscon Protagonist3.002.056.16
Protagonist's Younger Sister as a Heroine3.001.885.63
Non-blood-related Brother/Sister Incest3.001.775.30
Protagonist's Non-blood-related Sister as a Heroine3.001.755.26
Virtual Reality2.002.264.52
The Holiday Season2.002.024.04
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Only a Single Heroine3.001.023.06
Only Virgin Heroines2.001.082.17
Background Moans1.501.442.16
Nukige3.000.651.95
Female Ejaculation1.501.271.91
Idol Heroine1.001.811.81
Winter1.001.801.80
Defloration2.000.761.52
Erotic Spanking1.001.441.44
Cowgirl1.500.841.26
Ahegao1.001.251.25
Twin Tail Heroine1.001.181.18
Male Protagonist2.000.300.61
ADV1.000.150.15
2.000.000.00

Traits (25 total)

NameCharactersImportanceWeight
Christmas Cap Clothes12.912.02
Santa Suit Clothes12.831.96
Fishnet Pantyhose Clothes12.791.94
Strapless Leotard Clothes12.671.85
Fingerless Evening Gloves Clothes12.621.81
Capelet Clothes12.401.66
Bell (accessory) Clothes12.161.50
Ankle Length Hair12.121.47
Short Body12.071.43
Turtleneck Sweater Clothes12.041.41
Thigh-high Boots Clothes12.001.38
Gamer Role11.981.37
Antenna Hair11.931.33
Younger Sister Role11.441.00
Pink Hair11.330.92
Ahegao Engages in (Sexual)11.320.92
Belt Clothes11.270.88
Violet Hair11.190.83
Ribbon Hair Tie Clothes11.190.83
Twin Tails Hair11.130.78
Thigh-high Stockings Clothes11.040.72
Cowgirl Subject of (Sexual)10.950.66
Blue Eyes10.800.56
Teen Body10.620.43
Pale Body10.370.26