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Summary

The protagonist, Takayoshi, is the eldest of the three Koyama brothers. He has become a fine housekeeper, perhaps because he has been taking care of his younger brothers in place of their often absent parents. The family has a good relationship with the neighboring Nakadachi family, and they have been close since they were children. One day, the Nakadachi's parents have to go overseas for work for a year, and Takayoshi ends up having to take care of the Nakadachi siblings as well...

Rankan Club
Rankan Club
NAN%
Tags
  • Swinging
  • Consensual Group Sex of One Female and Several Males
  • Late Branching Plot
  • Group Sex of Multiple Females and Males
  • Cosplay
Rating 6.3724 Users
Josou Sennen Oukoku
Josou Sennen Oukoku
NAN%
Tags
  • Only Trap Heroines
  • Incubus Hero
  • Male on Trap
  • Trap Heroine
  • Naizuri
Rating 7.17113 Users
Pure My Imouto Milk Purun♪
Pure My Imouto Milk Purun♪
NAN%
Tags
  • Blood-related Brother/Brother Incest
  • Only Uke Heroes
  • Shotacon Protagonist
  • Brother/Brother Incest
  • Only Trap Heroines
Rating 6.5957 Users
Ijikuri Mama
Ijikuri Mama
NAN%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7740 Users
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
NAN%
Tags
  • Cosplay
  • Footjob
  • Nympho Heroine
  • Spoons
  • Impregnation
Rating 6.3330 Users
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
Son of a ☆ Bitch ~Saotome Nobara-chan, Maji Bitch!~
NAN%
Tags
  • Male on Trap
  • Student Council President Heroine
  • Legwear Footjob
  • Group Sex of Multiple Females and Males
  • Female Domination
Rating 6.2024 Users
Ijikuri Mama 3
Ijikuri Mama 3
NAN%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6926 Users
Akogareteita Ane ga Otoko no Ko Deshita ~Josou Shitei no Seikatsu Jijou~
Akogareteita Ane ga Otoko no Ko Deshita ~Josou Shitei no Seikatsu Jijou~
NAN%
Tags
  • Brother/Brother Romance
  • Male on Trap
  • Only Trap Heroines
  • Blood-related Brother/Brother Incest
  • Cross-dressing
Rating 6.6239 Users
Love Love Otoko no Ko Ryou ~Boku o Ubaiau Otouto to Net Idol
Love Love Otoko no Ko Ryou ~Boku o Ubaiau Otouto to Net Idol
NAN%
Tags
  • Group Sex of Several Males
  • Only Trap Heroines
  • Blood-related Brother/Brother Incest
  • Reversible Yaoi Pairing
  • Half-Japanese Hero
Rating 5.9426 Users
Puru Moe Angel Idol Aiko
Puru Moe Angel Idol Aiko
NAN%
Tags
  • Only Uke Heroes
  • Shotacon Protagonist
  • Male on Trap
  • Seme Protagonist
  • Only Trap Heroines
Rating 6.8735 Users
Josou Gakuen
Josou Gakuen
NAN%
Tags
  • Male on Trap
  • Only Trap Heroines
  • Trap Heroine
  • Hero with Heterochromia
  • Glory Hole Sex
Rating 6.72113 Users
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
NAN%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Seme Protagonist
  • Twincest
  • Tutor Protagonist
Rating 6.7641 Users
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
NAN%
Tags
  • Only Trap Heroines
  • Male Pregnancy
  • Hero with Beauty Mark
  • Arranged Marriage
  • Protagonist's Wife as a Heroine
Rating 5.8823 Users
Boku Kano 3 ~ Otoko no Ko o Suki ni Naru Jun
Boku Kano 3 ~ Otoko no Ko o Suki ni Naru Jun'ai Triangle + 1
NAN%
Tags
  • Shotacon Protagonist
  • Brother/Brother Incest
  • Male on Male Sex Only
  • Trap Heroine
  • Male on Trap
Rating 6.3124 Users
Boku, Mou Dechau! ~Moteasobareta Sausage~
Boku, Mou Dechau! ~Moteasobareta Sausage~
NAN%
Tags
  • Pedophile Protagonist
  • Shotacon Protagonist
  • Incest
  • Shotacon
  • Gay Shotacon
Rating 6.6522 Users
Ani Love ~Josou Bishounen Kakumei!~
Ani Love ~Josou Bishounen Kakumei!~
NAN%
Tags
  • Only Trap Heroines
  • Student Council President Hero
  • Brother/Brother Incest
  • Seme Protagonist
  • Male on Male Sex
Rating 6.4158 Users
Yankatsu! ~Yandere Futago to Hone no Zui made Icharabu Seikatsu Suru Hibi~
Yankatsu! ~Yandere Futago to Hone no Zui made Icharabu Seikatsu Suru Hibi~
NAN%
Tags
  • Shimaidon with Twins Ending
  • Shimaidon Ending
  • Balls Sucking
  • Yandere Heroine
  • Tribadism on Penis
Rating 5.8423 Users
Josou Gakuen
Josou Gakuen
NAN%
Tags
  • Male Pregnancy
  • Only Trap Heroines
  • Male on Trap
  • Only Uke Heroes
  • Sex Under the Necessity
Rating 6.9188 Users
Oni Chichi After ~Nure Suke Airi to Amayadori Hen~
Oni Chichi After ~Nure Suke Airi to Amayadori Hen~
NAN%
Tags
  • Non-blood-related Father/Daughter Incest
  • Only Protagonist's Relatives as Heroine(s)
  • Rain
  • Only Younger Heroines
  • Half-Japanese Heroine
Rating 6.0422 Users
Bokusuki! Boku o Suki tte Itte yo!
Bokusuki! Boku o Suki tte Itte yo!
NAN%
Tags
  • Shotacon Protagonist
  • Trap Heroine
  • Rape by Shota
  • Shotacon
  • Unavoidable Heroine Rape
Rating 7.0029 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~
NAN%
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
Otoko no Ko Datte Dekiru mon! ~Wonderful Haramase Life~
Otoko no Ko Datte Dekiru mon! ~Wonderful Haramase Life~
NAN%
Tags
  • Shotacon Protagonist
  • Gay Shotacon
  • Seme Protagonist
  • Only Shota Heroes
  • Only Trap Heroines
Rating 6.3726 Users
sousyun
sousyun
NAN%
Tags
  • Blood-related Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Sex Involving Children
  • Loli Heroine
Rating 6.1327 Users
Oshiete Sensei Otoko no Ko Gakuen ~Icha Love! Otoko no Ko Triangle~
Oshiete Sensei Otoko no Ko Gakuen ~Icha Love! Otoko no Ko Triangle~
NAN%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Trap Heroine
  • Male on Trap
  • Seme Protagonist
Rating 6.7232 Users
Kyuukatsu o Josou Suru
Kyuukatsu o Josou Suru
43%
Tags
  • Only Trap Heroines
  • Male on Trap
  • Seme Protagonist
  • Trap Heroine
  • Male on Male Sex Only
Rating 6.0846 Users
Otoko no Ko Gakuen! ~3nin no Otoko no Ko-tachi to no Unmei no Deai, Soshite Boku-tachi wa Koi ni Ochiru!~
Otoko no Ko Gakuen! ~3nin no Otoko no Ko-tachi to no Unmei no Deai, Soshite Boku-tachi wa Koi ni Ochiru!~
35%
Tags
  • Only Trap Heroines
  • Trap on Male
  • Trap Heroine
  • Student Hero
  • Male on Male Sex
Rating 6.2621 Users
Boku Kano 3 ~ Otoko no Ko o Suki ni Naru Jun
Boku Kano 3 ~ Otoko no Ko o Suki ni Naru Jun'ai Triangle + 1
32%
Tags
  • Shotacon Protagonist
  • Brother/Brother Incest
  • Male on Male Sex Only
  • Trap Heroine
  • Male on Trap
Rating 6.3124 Users
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
Miai Kekkon Shita Osanazuma ga Otoko no Ko Datta Ken
32%
Tags
  • Only Trap Heroines
  • Male Pregnancy
  • Hero with Beauty Mark
  • Arranged Marriage
  • Protagonist's Wife as a Heroine
Rating 5.8823 Users
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
Chupi Chupi Otoko no Ko ~Katei Kyoushi to Futago no Himitsu no Jugyou~
31%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Seme Protagonist
  • Twincest
  • Tutor Protagonist
Rating 6.7641 Users
Puru Moe Angel Idol Aiko
Puru Moe Angel Idol Aiko
29%
Tags
  • Only Uke Heroes
  • Shotacon Protagonist
  • Male on Trap
  • Seme Protagonist
  • Only Trap Heroines
Rating 6.8735 Users
Josou Gakuen
Josou Gakuen
29%
Tags
  • Male on Trap
  • Only Trap Heroines
  • Trap Heroine
  • Hero with Heterochromia
  • Glory Hole Sex
Rating 6.72113 Users
Akogareteita Ane ga Otoko no Ko Deshita ~Josou Shitei no Seikatsu Jijou~
Akogareteita Ane ga Otoko no Ko Deshita ~Josou Shitei no Seikatsu Jijou~
28%
Tags
  • Brother/Brother Romance
  • Male on Trap
  • Only Trap Heroines
  • Blood-related Brother/Brother Incest
  • Cross-dressing
Rating 6.6239 Users
Love Love Otoko no Ko Ryou ~Boku o Ubaiau Otouto to Net Idol
Love Love Otoko no Ko Ryou ~Boku o Ubaiau Otouto to Net Idol
27%
Tags
  • Group Sex of Several Males
  • Only Trap Heroines
  • Blood-related Brother/Brother Incest
  • Reversible Yaoi Pairing
  • Half-Japanese Hero
Rating 5.9426 Users
Ani Love ~Josou Bishounen Kakumei!~
Ani Love ~Josou Bishounen Kakumei!~
27%
Tags
  • Only Trap Heroines
  • Student Council President Hero
  • Brother/Brother Incest
  • Seme Protagonist
  • Male on Male Sex
Rating 6.4158 Users
Josou Gakuen
Josou Gakuen
27%
Tags
  • Male Pregnancy
  • Only Trap Heroines
  • Male on Trap
  • Only Uke Heroes
  • Sex Under the Necessity
Rating 6.9188 Users
Bokusuki! Boku o Suki tte Itte yo!
Bokusuki! Boku o Suki tte Itte yo!
26%
Tags
  • Shotacon Protagonist
  • Trap Heroine
  • Rape by Shota
  • Shotacon
  • Unavoidable Heroine Rape
Rating 7.0029 Users
Otoko no Ko Datte Dekiru mon! ~Wonderful Haramase Life~
Otoko no Ko Datte Dekiru mon! ~Wonderful Haramase Life~
26%
Tags
  • Shotacon Protagonist
  • Gay Shotacon
  • Seme Protagonist
  • Only Shota Heroes
  • Only Trap Heroines
Rating 6.3726 Users
Oshiete Sensei Otoko no Ko Gakuen ~Icha Love! Otoko no Ko Triangle~
Oshiete Sensei Otoko no Ko Gakuen ~Icha Love! Otoko no Ko Triangle~
25%
Tags
  • Only Uke Heroes
  • Only Trap Heroines
  • Trap Heroine
  • Male on Trap
  • Seme Protagonist
Rating 6.7232 Users
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
Suki na Dake Soku Hame & Tanetsuke Shite Yorokobareru Sekai
24%
Tags
  • Politician Heroine
  • Sex Under the Necessity
  • Human Childbirth
  • Defloration During Common Route
  • Impregnation
Rating 6.5027 Users
Oto Love ~Josou Bishounen Gentei!~
Oto Love ~Josou Bishounen Gentei!~
24%
Tags
  • Brother/Brother Incest
  • Trap Support Character
  • Only Trap Heroines
  • Group Sex of Several Males
  • Trap Heroine
Rating 6.7658 Users
Dear Sister ~Mayu wa Onii-chan no Mono nan Dakara ne!!~
Dear Sister ~Mayu wa Onii-chan no Mono nan Dakara ne!!~
24%
Tags
  • Only Blood-related Heroines
  • Blood-related Brother/Sister Incest
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Hidden Vibrator
Rating 6.3527 Users
Josou Sanmyaku
Josou Sanmyaku
23%
Tags
  • Muted Obscenities
  • Only Uke Heroes
  • Brief Third-person Narrative Sections
  • Shotacon Protagonist
  • Only Trap Heroines
Rating 6.88315 Users
In
In'en no Yu ~Sandai no Okami-tachi to no Mikkou~
20%
Tags
  • Obacon
  • Landlady Heroine
  • In-law Incest
  • Romancing a Family
  • Heroine with Grandchildren
Rating 6.2950 Users
Josou Kaikyou
Josou Kaikyou
20%
Tags
  • Only Trap Heroines
  • Male on Trap
  • Seme Protagonist
  • Only Uke Heroes
  • University Student Hero
Rating 7.07300 Users
Asahi to Tsugumi no Shinkon Seikatsu ~Osananajimi wa Bed Yakuza! - Another~
Asahi to Tsugumi no Shinkon Seikatsu ~Osananajimi wa Bed Yakuza! - Another~
20%
Tags
  • Trap Heroine
  • Male on Trap
  • Male on Male Sex
  • Both Male and Female Love Interests
  • Protagonist's Childhood Friend as a Heroine
Rating 6.2023 Users
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
19%
Tags
  • Seme Protagonist
  • Only Trap Heroines
  • Trap Support Character
  • Trap Heroine
  • Archery Club
Rating 6.8733 Users
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
18%
Tags
  • Summer Camp
  • Incest Romance
  • Heroine's Mother as a Heroine
  • Mother/Son Romance
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.9758 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
18%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users

Ore no Otouto ga Konna ni k(ry 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 (26 total)

NameScoreImportanceWeight
Seme Protagonist3.002.357.06
Only Trap Heroines2.672.496.64
Male on Trap2.502.456.12
Only Uke Heroes2.003.006.00
Brother/Brother Incest2.002.895.78
Homemaker Protagonist2.002.484.96
Title Parody2.002.354.70
Male on Male Sex Only2.001.753.51
Male on Male Sex2.001.643.29
Legwear Footjob2.001.623.24
Brief NVL Scenes2.001.573.15
University Student Protagonist2.001.523.04
Single Footjob2.001.382.75
Frot1.002.532.53
Early Sexual Content2.001.232.45
Anal Sex2.001.142.27
Naked Sprites2.001.052.11
Missionary Position2.000.941.88
Anal Fingering1.001.481.48
Harem Ending1.001.401.40
Multiple Endings2.000.671.34
Nukige2.000.651.30
Sex in Public Places1.001.091.09
Male Protagonist2.000.300.61
ADV2.000.150.29
0.330.000.00

Traits (85 total)

NameCharactersImportanceWeight
Christmas Cap Clothes32.914.03
Santa Suit Clothes32.833.92
Bunny Dress Clothes32.463.41
Trap Body32.233.09
Frot Engages in (Sexual)22.702.97
Opposite Gender Voiced Personality32.092.90
Nurse's Cap Clothes32.092.90
Cross-dressing Engages in32.062.86
Nurse Uniform Clothes32.002.78
Kimono Clothes31.562.17
Naizuri Subject of (Sexual)13.102.15
Mutual Masturbation Engages in (Sexual)21.942.13
Cheerleading Uniform Clothes12.621.82
Non-penetrative Sex Engages in (Sexual)12.591.79
Maid's Headdress Clothes21.631.79
Naizuri Engages in (Sexual)12.561.78
Clothing with Ribbons Clothes21.571.73
Sex in Water Engages in (Sexual)21.561.72
Maid's Dress Clothes21.511.66
Intercrural Sex Subject of (Sexual)12.281.58
Gothic Clothes12.201.52
Seventh Posture Engages in (Sexual)12.191.52
Footjob Subject of (Sexual)12.181.51
Wavy Hair21.361.49
Tominagi Subject of (Sexual)21.361.49
Sundress Clothes12.141.48
Tominagi Engages in (Sexual)12.121.47
Sports Uniform Clothes12.091.45
Ahoge Hair21.321.45
Anal Fingering Engages in (Sexual)12.051.42
Hazel Eyes12.041.41
Butterfly Engages in (Sexual)12.021.40
Sixty-nine Engages in (Sexual)21.261.38
Cleaning Engages in11.991.38
Parted in Middle Hair21.251.38
Miko's Dress Clothes11.941.35
Ribbon Hair Tie Clothes21.191.31
Quickie Fix Engages in (Sexual)11.881.31
Naked Apron Clothes11.871.30
Standing Sex Engages in (Sexual)11.871.30
Standing Sex Subject of (Sexual)21.181.29
Intercrural Sex Engages in (Sexual)11.851.28
Sitting Sex Engages in (Sexual)11.831.27
String Ribbon Tie Clothes11.821.26
Short Shorts Clothes11.771.23
Anal Sex Engages in (Sexual)11.761.22
Handjob Subject of (Sexual)11.751.22
Side Tail Hair11.751.21
Footjob Engages in (Sexual)11.721.19
Sport Bloomers Clothes11.721.19
Cowgirl Engages in (Sexual)11.721.19
Anal Fingering Subject of (Sexual)11.711.19
Doggy Style Engages in (Sexual)11.691.17
Sitting Sex Subject of (Sexual)21.061.17
Ribbon Hair Accessory Clothes11.651.15
Blowjob Subject of (Sexual)11.521.06
Choker Clothes11.501.04
Necklace Clothes11.501.04
Seventh Posture Subject of (Sexual)11.461.01
Brown Eyes20.900.99
Cooking Engages in11.420.98
Tsurime Eyes11.380.96
Hosome Eyes11.370.95
Brown Hair30.680.95
Slim Body40.580.93
Curtained Hair11.300.90
Waist Length+ Hair20.810.89
Belt Clothes11.270.88
Ribbon Tie Clothes11.250.87
Blowjob Engages in (Sexual)20.760.84
Anal Sex Subject of (Sexual)11.190.82
Butterfly Subject of (Sexual)11.170.81
Handjob Engages in (Sexual)11.160.80
Twin Tails Hair11.130.78
Quickie Fix Subject of (Sexual)11.080.75
Green Eyes11.020.70
Sidehair Hair10.980.68
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Pale Body40.370.60
Black Hair10.810.56
Young-adult Body10.760.53
Long Hair10.750.52
Teen Body10.620.43
Short Hair10.610.42