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Oyako Rankan

母娘乱館

Titles
母娘乱館
Oyako Rankan
母娘乱馆
Muniang Luanguan
Play timeLong (30h from 2 votes)
DeveloperAlice Soft
PublishersAlice Soft
Jiutoumiao Hanhuazu & SSTM
LinksWikipedia (ja), Wikidata, VNStat
Shopssponsored links» JP¥ 6076 @ DLsite
Related anime[DB] Oyako Rankan The Animation (OVA, 2013)

Description

After a fire destroyed their village and killed their parents, Mamoru and his older sister, Kotone, were adopted into the wealthy Kamishiro household. Years later, Mamoru now serves as the household's butler. As a matter of fact, however, the Kamishiro family harbors a dark secret: its wealth and influence stem from a ritualistic orgy known as the "Feast." Kamishiro women are renowned for their passion, fertility, and unrivaled offspring quality. During the Feast, influential men from around the world pay handsomely to fertilize these peerless wombs.

Meanwhile, the bedridden Kamishiro head Ikki faces exile by the end of the month if he cannot impregnate his lovely wife, Saya, with the next heir. Ikki calls for a new feast with Kotone as the offering in response to pressure from his clients and the scheming lieutenant Shinohara.

With clients swarming to the manor like locusts, Mamoru is thrown into a nightmare. Can he protect Kotone, Saya, and his younger stepsister Ririko from the Feast until the end of the month?

[Edited from Sanahtlig's Corner]

Butler Protagonist 3.0 Gauge Display 3.0 Master and Servant 3.0 Netorare 3.0 Pregnancy Bad EndingS 3.0 Protagonist's Older Sister as a Heroine 3.0 Protagonist's Younger Sister as a Heroine 3.0 Western-style Manor 3.0 Impregnation 2.9 Protagonist with a Face 2.8 Non-blood-related Brother/Sister IncestS 2.7 Bad Ending(s) 2.6 High Sexual Content 2.6 Avoidable Netorare (obsolete) 2.5 Map Movement 2.5 Netorare Type B 2.5 Non-blood-related Mother/Son IncestS 2.5 Pregnancy 2.5 Romancing a Family 2.5 Side Portraits 2.5 Date Display 2.4 Multiple Endings 2.4 Protagonist's Non-blood-related Sister as a HeroineS 2.4 ADV 2.3 Male Protagonist 2.3 Modern Day Japan 2.3 Mystery 2.3 Other Perspectives 2.3 Traditionalist Family 2.3 Under the Same Roof 2.3 Protagonist's Non-blood-related Mother as a Heroine 2.2 Stockings 2.2 Adult Breast Feeding 2.0 Adult Heroine 2.0 Butler Support Character 2.0 Countryside 2.0 Defloration 2.0 Gaping 2.0 Gynecologist Chair 2.0 Harem Ending 2.0 Heroine with Big Breasts 2.0 Heroine with Sexual Experience 2.0 Lots of Choices 2.0 Married Heroine 2.0 Mother Support Character 2.0 Naked Sprites 2.0 Non-blood-related Father/Daughter IncestS 2.0 Oneesan-type Heroine 2.0 Oyakodon Ending 2.0 Pregnant Sex 2.0 Quickie Fix Position 2.0 Sexual Blindfold 2.0 Siscon Protagonist 2.0 Non-blood-related IncestS 1.9 Condoms 1.9 Cunnilingus 1.8 Group Sex of One Female and Several Males 1.8 Group Sex of One Male and Several Females 1.8 Cowgirl 1.8 Pregnancy EndingS 1.8 Internal Exhibition of Sex 1.8 Missionary Position 1.8 Sex Involving DrugsS 1.8 Standing Sex 1.7 Doggy Style 1.6 Lactation During Sex 1.6 Flashback 1.5 Multiple Penetration 1.5 Multiple Route Mystery 1.5 Outdoor Sex 1.5 Long Sexual Scenes 1.4 Netorare Type A 1.4 Bondage 1.3 Heroine with Kimono 1.3 Sitting Sex 1.3 Unavoidable Heroine RapeS 1.3 Dating Simulation 1.2 Erotic Mind ControlS 1.2 Bad Endings with Story 1.2 Masturbation 1.1 Fingering 1.1 Anal Penetration 1.0 Big Breast Sizes Heroine 1.0 Bukkake 1.0 Clothing Damage 1.0 Cosplay 1.0 Defloration by Others 1.0 Facesitting 1.0 Gang Bang 1.0 Gokkun 1.0 Heroine with Glasses 1.0 Heroine with Pubic Hair 1.0 Inflation 1.0 Intercrural Sex 1.0 Maid Heroine 1.0 Naked Heroine with Apron 1.0 Piledriver 1.0 Reverse Cowgirl 1.0 Sex in Water 1.0 Sixty-nine 1.0 Sounds of Copulation 1.0 Spoons 1.0 Spreader Bar 1.0 Twin Blowjob 1.0 Twin Boobjob 1.0 Used Condoms Exposition 1.0 Yandere HeroineS 1.0 Blood-related IncestS 0.9 Blowjob 0.8 Handjob 0.8 Protagonist's Blood-related Sister as a Heroine 0.8 Boobjob 0.7 Object Insertion 0.6 Urination Fetish 0.5 Blood-related Mother/Son IncestS 0.5 Blood-related Brother/Sister Incest 0.3

Hide spoilersShow minor spoilersSpoil me! | Show sexual traits

Protagonist

Mamoru
HairBrown, Short
EyesBrown
BodyYoung-adult
PersonalityCarefree, Docile, Flustered, Friendly, Honest, Kind, Loyal, Protective, Sister Complex, Timid
RoleButler
Engages inMartial Arts

Description

A young boy who survived a catastrophic event that devastated his village.
Fortuitously discovered by the Kamishiro family, he was taken in and raised as one of their own, eventually becoming a loyal servant to the household.
Having forged strong bonds with the three main heroines throughout their shared upbringing, Mamoru is fiercely committed to safeguarding them from any foes they may face.

Main characters

Kamishiro Ikki神代 一騎
ClothesGlasses
RoleHead of Household, Master, Noble
Engages inPlanning
Subject ofDisability, Netori (their SO is stolen)

Description

The head of the Kamishiro household and Saya's husband.
Ikki is currently undergoing treatment for a chronic illness that has limited the use of his legs. Largely bedridden due to his condition, he has entrusted Saya with overseeing the family business for the time being.

Kamishiro Kotone神代 琴音
MeasurementsBust-Waist-Hips: 92-57-88cm
HairBlond, Sidehair, Spiky Bangs, Straight, Waist Length+
EyesBrown
BodyBig Breasts, Pale, Young-adult
ClothesBaby-doll, Choker, Dress, Garter Belt Stockings, Knee-high Socks, Pantyhose, Sailor School Uniform, Thigh-high Stockings
PersonalityAssertive, Deredere, Jealous, Kind, Mature, Nature Lover, Possessive, Proactive, Protective, Refined
RoleFull Sister, Non-blood-related Daughter, Older Sister
Engages inAvoidable Infidelity
Subject ofNetorare (they are the stolen SO), Seduction
Voiced byMisaki Tomomi

Description

Mamoru's older sister, who survived the village fire and was adopted by the Kamishiro family alongside Mamoru, becomes the "pearl" among them.

Kotone is an amiable girl who treats everyone equally and spends most of her time in the garden admiring flowers. She loves her family and is willing to go to any length to protect them, especially her beloved little brother, whom she cherishes the most.
<hidden by spoiler settings>

Kamishiro Ririko神代 莉々子
MeasurementsBust-Waist-Hips: 80-53-80cm
HairClaret, Hime Cut, Long
EyesViolet
BodyTeen
ClothesKimono, Nightgown, Ribbon Hair Accessory, Tabi
PersonalityCheerful, Friendly, Naive, Proactive, Relaxed, Third Person
RoleDaughter, Non-blood-related Sister, Younger Sister
Engages inAvoidable Infidelity
Subject ofNetorare (they are the stolen SO)
Voiced bySakurai Mirei

Description

The second daughter of the Kamishiro family, she adores Mamoru like her own older brother. Ririko is a young girl with an underdeveloped body. She prefers to wear kimono, tabi socks, and sandals.

Kamishiro Saya神代 紗夜
MeasurementsBust-Waist-Hips: 97-60-90cm
HairBrown, Parted in Middle, Sidehair, Spiky Bangs, Waist Length+, Wavy
EyesBrown
BodyPale, Visible Nipples, Young-adult
ClothesBlouse, Corset, Garter Belt Stockings, Lace Lingerie, Nightgown, Sailor School Uniform, School Uniform, Skirt
PersonalityFriendly, Kind
RoleBetrothed, Mother, Non-blood-related Mother
Engages inAvoidable Infidelity, Cosplay
Voiced byItou Moe

Description

Saya, the wife of Kamishiro Ikki and mother to Ririko, cherishes Mamoru and Kotone as if they were her own. Shouldering the weight of the Kamishiro family in place of her sickly husband, she traverses across the country offering her support. In the face of a looming deadline to produce a male heir, Saya grapples with mounting desperation.

Shinohara Ren篠原漣
HairViolet
BodyAdult, Tall
PersonalityArrogant, Cold-hearted, Cruel, Dishonest, Insightful, Proactive, Rude, Sly, Smart
RoleAntagonist, Employee, Villain
Engages inNetori (steals the SO), Planning, Seduction

Description

Ikki's right-hand man at the job and Saya's assistant. For some reason, he doesn't like Mamoru.

Yabui藪井
HairBalding
BodyAdult, Overweight
ClothesFormal Shirt, Glasses, Lab Coat, Necktie
ItemsStethoscope
PersonalityDeredere, Pervert
RoleMedical Doctor
Engages inDrugging, Netori (steals the SO), Planning

Description

A rotund middle-aged man who serves as the Kamishiro family's exclusive doctor. Yabui's eyes are set on the frail and naive Ririko, bewitched by the allure of her untainted innocence.

Side characters

Funaki舟木
PersonalityBlunt
RoleButler, Driver, Employee

Description

Butler of the Kamishiro family. Although Funaki already has a wife and children, he has a crush on Saya.

Jouji貞二

Description

A delinquent who acts together with Shinji.

Kaneda Kyouko兼田 響子
HairBlue, Parted to Side, Short
EyesViolet
BodyPale, Young-adult
ClothesKnee-high Socks, Pendant Earrings, Sailor School Uniform, School Uniform
RoleMother
Engages inInfidelity
Voiced byImai Mitsuki

Description

Saya's attractive friend. Despite being married with a son, she can't resist the temptation of pursuing a passionate liaison with Mamoru.

Kaneda Masato兼田 真人
PersonalityNaive, Pervert
RoleClassmate
Engages inSeduction

Description

Kyoko's son. Masato doesn't like Mamoru for being close with Kotone. He is a classmate of Ririko and respects her.

Koide小出
Engages inGardening, Netori (steals the SO)

Description

A gardener who has feelings for Kotone.

Oono大野
PersonalityWashi
RoleMayor

Description

The mayor of the village at the foot of the mountain. He comes to Kamishiro household to discuss the village's problems. He used to be a doctor and is acquainted with Yabui.

Shinji進士
ItemsMotorcycle
RoleDelinquent

Description

A delinquent in the village. He holds a grudge against Ikki, but feels indebted to Saya.

Yukino雪乃
AliasesChibi-chan
HairCurtained, Grey, Intake, Long, Parted in Middle, Sidehair, White
EyesAmber
BodyPale, Teen
ClothesChemise, Hair Tie, Headband, Knee-high Socks, Maid's Dress
PersonalityKuudere, Loyal, Proactive, Serious
RoleMaid
Subject ofPregnancy
Voiced byShirotsuki Kaname

Description

The Kamishiro household's silver-haired maid.
Yukino is a remarkably skilled and efficient worker despite her relatively young age compared to Mamoru. She manages the lion's share of the domestic tasks, ensuring the smooth operation of the household.

Yukino is known for her reserved nature, often maintaining a cold demeanor and engaging in limited interactions with others.

<hidden by spoiler settings>

Make an appearance

Alice-chanアリスちゃん
HairBlond, Parted in Middle, Spiky Bangs, Straight, Waist Length+
EyesBlue, Tareme
BodyFlat Chest, Pale, Slim, Teen
ClothesApron, Dress, Lolita, Puffy Sleeves, Ribbon Headband
PersonalityFriendly, Kind, Refined
RoleMascot Character, Pet Owner

Description

The official mascot of Alice Soft. A polite young girl who often communicates with the player as a medium in some Alice Soft games. She sometimes represent marketing upcoming Alice Soft games in trailers and advertisements.

She is accompanied by her pet black crow named Yukichi.

Yukichi諭吉
RoleBird, Mascot Character