Baku Ane ~Otouto Shibocchau zo!~

ばくあね ~弟しぼっちゃうぞ!~

TitleBaku Ane ~Otouto Shibocchau zo!~
Original titleばくあね ~弟しぼっちゃうぞ!~
AliasesBaku Ane ~We'll Squeeze it out, Little Brother!~
LengthMedium (10 - 30 hours)
DeveloperAtelier Kaguya Bare & Bunny
PublishersAtelier Kaguya & AiCherry
Same series
Baku Ane 2 ~Otouto, Ippai Shibocchau ...
Same setting
Namaiki ~Kissuisou e Youkoso!~
LinksWikipedia (ja), Wikidata, VNStat
Shops» JP¥ 7124 @ DLsite (jpn)
Related anime[DB] Baku Ane: Otouto Shibocchau zo! The Animation (OVA, 2014)


The protagonist is a famous soccer player, but due to a leg injury from a game, he must now rest until it heals. When he returns home, he is warmly greeted by his 4 older sisters whom he hasn't seen for a long time.

However, because his clubmates have play a prank on him and fill his bag with ero manga, their relationships immediately plummet after they find out about it.

While trying to explain the situation to no avail, one of them suggests that they themselves should help him escape the 2D world and be interested in healthy adult women. Little does he know, all of his sisters love him more than a brother.

And so, this is the beginning of a ridiculous erotic life between our protagonist and his 4 tempting older sisters.

[Translated from Official Site]

Protagonist's Full Sister as a Heroine 3.0 All Heroines are Protagonist's Sister(s) 3.0 Brother/Sister Romance 3.0 Protagonist's Older Sister as a Heroine 3.0 Brother/Sister Incest 3.0 Heroine with Big Breasts 3.0 Heroine with Huge Breasts 3.0 Brocon Heroine 2.9 Oneesan-type Heroine 2.8 Under the Same Roof 2.8 Blood-related Brother/Sister Incest 2.8 Nukige 2.8 Only Virgin Heroines 2.8 Defloration 2.6 Sounds of Copulation 2.5 Student Protagonist 2.4 Male Protagonist 2.3 Deredere Heroine 2.3 Shimaidon 2.3 High Sexual Content 2.3 University Student Heroine 2.2 Naked Sprites 2.2 Student Heroine 2.2 Multiple Endings 2.2 Heroine with Shorts 2.0 Comedy 2.0 Protagonist's Senpai as a Heroine 2.0 Idol Heroine 2.0 Modern Day Japan 2.0 Comedic Love Triangle 2.0 Pregnancy 2.0 Pregnant SexS 2.0 Harem Ending 2.0 Adult Heroine 2.0 Tsundere Heroine 2.0 Medical Doctor Heroine 2.0 Ponytail Heroine 2.0 Vibrators 2.0 Condoms 2.0 Onsen 2.0 Foreigner Heroine 2.0 ADV 2.0 Sixty-nine 2.0 Inbreeding 2.0 Heroine with Ahoge 2.0 Intercrural Sex 2.0 Cunnilingus 2.0 Sex in a Vehicle 2.0 Ejaculation Choice 2.0 Outdoor Sex 2.0 School Nurse Heroine 2.0 Protagonist as the Only Male 2.0 Censored Text 2.0 Facesitting 2.0 Forbidden Love 2.0 Protagonist's Half-sister as a Heroine 2.0 Big Breast Sizes Heroine 1.8 Protagonist's Blood-related Sister as a Heroine 1.8 Group Sex of One Male and Several Females 1.8 Heroine with Intake Hairstyle 1.8 Love Hotel 1.7 Heroine with Glasses 1.6 Sitting Sex 1.5 Twin Tail Heroine 1.5 Female Domination 1.3 Sex in Water 1.3 Sexual Cosplay 1.0 Heroine Sisters 1.0 Single Footjob 1.0 Single Buttjob 1.0 Masochist Heroine 1.0 Cousin Romance 1.0 Cousin Incest 1.0 Discreet Sex 1.0 Single Blowjob 1.0 Anal Sex 1.0 Heroine with Inverted Nipples 1.0 Yandere Heroine 1.0 Sex in Public Places 1.0 Single Boobjob 1.0 Single Handjob 1.0 Anal Penetration 0.6 Blowjob 0.4 Boobjob 0.4

Hide spoilersShow minor spoilersSpoil me! | Show sexual traits

Main characters

Hayasaki Mio早崎 実桜
HairLong, Violet
BodyBig Breast Sizes, Young-adult
ClothesPolice Officer Uniform
PersonalityAssertive, Brocon, Emotional, Friendly, Jealous, Moody, Possessive, Protective, Refined, Sensitive, Short-tempered
RoleMiddle Sister, Popular, University Student
Voiced byHaruna Ren


A gorgeous college student chosen to be Miss University. She's also popular with the men.

After a fight with the protagonist before he left for the dorms, their relationship has drifted apart.

Hayasaki Naru早崎 菜留
HairAhoge, Black, Short
PersonalityBookworm, Brocon, Clumsy, Docile, Emotional, Envious, Friendly, Honest, Relaxed, Reserved, Smart
RoleYounger Sister
Voiced byMisonoo Mei


A popular girl who takes refuge in books.

She is secretly in love with the protagonist, but because of her modesty, she decides to keep it to herself.

But that doesn't mean she can't use her imagination...

Hayasaki Noemi早崎 乃絵実
HairAhoge, Blond, Long
BodyBig Breast Sizes, Young-adult
PersonalityAssertive, Brocon, Cheerful, Emotional, Family Oriented, Friendly, Honest, Kind, Protective, Relaxed
RoleCousin, French, Half-Japanese, Half-sister, Older Sister, Popular, School Nurse
Voiced byHimari


The oldest (half) sister of the protagonist. Half Japanese and Half French.

At the school where the protagonist attends, she is a nurse. Anytime the protagonist is in trouble, she is dedicated to making sure he is alright.

Hayasaki Yurine早崎 友梨音
HairAhoge, Long, Red
BodyBig Breast Sizes, Young-adult
ClothesBikini, Cheerleading Uniform, Short Shorts, Skirt
PersonalityAssertive, Brocon, Carefree, Cheerful, Emotional, Friendly, Honest, Kind, Mischievous, Possessive, Whimsical
RoleIdol, Middle Sister, Popular
Voiced byYamato Sakura


A massively popular gravure idol

Because of her hidden attraction to her brother, she will make sure that he is normal, at any cost.

Side character