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Gal Big Sister Z

Wishlist Follow Ignore Launch Unwatch Watch
App ID 4886510
App Type Game
Developer ,
Publisher PRODUCTION PENCIL
Supported Systems Windows
Last Changenumber 39151684
Last Record Update 24 September 2026 – 05:46:52 UTC ()
Release Date 27 August 2026 – 15:34:38 UTC ()
❓ 50.00%
2 reviews
0
In-Game
🗺️ Adventure 📚 Visual Novel 🧚 Choose Your Own Adventure 🖼️ 2D 🌫 Atmospheric

Tune the two older women he lives with as humiliation gives way to a sweet, dangerous reversal.

Steam price history

Current Price $19.99
Lowest Recorded Price -10% $17.99 27 August 2026
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $19.99 $19.99 $17.99 -10% $17.99
Indian Rupee ₹ 915 $9.51 -52.39% $8.56 -10% ₹ 823
Ukrainian Hryvnia 430₴ $9.55 -52.19% $8.60 -10% 387₴
Philippine Peso ₱599.00 $9.57 -52.12% $8.61 -10% ₱539.10
Indonesian Rupiah Rp 174999 $9.78 -51.06% $8.80 -10% Rp 157499
Russian Ruble 855 ₽ $10.22 -48.86% $9.19 -10% 769 ₽
Vietnamese Dong 274000₫ $10.54 -47.25% $9.48 -10% 246500₫
CIS - U.S. Dollar $10.99 $10.99 -45.02% $9.89 -10% $9.89
LATAM - U.S. Dollar $10.99 $10.99 -45.02% $9.89 -10% $9.89
MENA - U.S. Dollar $10.99 $10.99 -45.02% $9.89 -10% $9.89
SASIA - U.S. Dollar $10.99 $10.99 -45.02% $9.89 -10% $9.89
Thai Baht ฿369.00 $11.03 -44.79% $9.93 -10% ฿332.10
Malaysian Ringgit RM46.99 $11.50 -42.45% $10.35 -10% RM42.29
South African Rand R 194.99 $11.70 -41.43% $10.53 -10% R 175.49
Chilean Peso CLP$ 11999 $12.10 -39.42% $10.89 -10% CLP$ 10799
Kuwaiti Dinar 3.80 KD $12.30 -38.45% $11.07 -10% 3.42 KD
Kazakhstani Tenge 5720₸ $12.84 -35.76% $11.55 -10% 5148₸
Brazilian Real R$ 67,99 $13.04 -34.72% $11.74 -10% R$ 61,19
Qatari Riyal 49.99 QR $13.72 -31.36% $12.34 -10% 44.99 QR
Peruvian Sol S/.48.49 $14.06 -29.64% $12.65 -10% S/.43.64
Mexican Peso Mex$ 259.99 $14.31 -28.39% $12.88 -10% Mex$ 233.99
Colombian Peso COL$ 48999 $14.80 -25.92% $13.32 -10% COL$ 44099
Singapore Dollar S$20.75 $16.22 -18.83% $14.59 -10% S$18.67
U.A.E. Dirham 59.99 AED $16.33 -18.30% $14.69 -10% 53.99 AED
Uruguayan Peso $U667 $16.48 -17.55% $14.82 -10% $U600
Canadian Dollar CDN$ 23.99 $16.83 -15.76% $15.15 -10% CDN$ 21.59
New Zealand Dollar NZ$ 30.99 $17.40 -12.93% $15.66 -10% NZ$ 27.89
Australian Dollar A$ 28.50 $19.78 -1.01% $17.80 -10% A$ 25.65
Hong Kong Dollar HK$ 164.00 $20.89 +4.54% $18.80 -10% HK$ 147.60
Costa Rican Colon ₡9600 $20.95 +4.83% $18.85 -10% ₡8640
Taiwan Dollar NT$ 667 $20.96 +4.85% $18.85 -10% NT$ 600
Swiss Franc CHF 17.49 $21.11 +5.62% $19.00 -10% CHF 15.74
Japanese Yen ¥ 3400 $21.54 +7.76% $19.38 -10% ¥ 3060
Polish Zloty 84,99zł $21.81 +9.14% $19.63 -10% 76,49zł
Euro 20,49€ $23.06 +15.39% $20.75 -10% 18,44€
British Pound £17.75 $23.50 +17.59% $21.14 -10% £15.97
Israeli New Shekel ₪71.99 $23.58 +17.98% $21.22 -10% ₪64.79
South Korean Won ₩ 32350 $24.07 +20.41% $21.65 -10% ₩ 29110
Norwegian Krone 235,00 kr $24.43 +22.22% $21.98 -10% 211,50 kr
Chinese Yuan N/A N/A N/A
Saudi Riyal N/A N/A N/A
Valve suggested prices are shown on package pages.

Price history

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Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer POISON MOTION
DLCAvailableOnStore Yes
ReleaseState released
Publisher PRODUCTION PENCIL
Store Release Date 27 August 2026 – 15:34:40 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://x.com/POISON_NEW1992
Primary Genre Adventure (25)
Store Genres Adventure (25)
Steam Release Date 27 August 2026 – 15:34:38 UTC ()
Store Asset Modification Time 1 July 2026 – 16:52:32 UTC () (1782924752)
library_assets
library_capsuleen,zh-cn,ja,zh-tw
library_heroen
library_hero_bluren
library_logoen,ja,zh-cn,zh-tw
library_headeren,ja,zh-cn,zh-tw
logo_position ↴
pinned_positionBottomLeft
width_pct56.05355064027939
height_pct100
osextended empty string
name_localized
schinese辣妹大姐姐 Z
tchinese辣妹大姐姐 Z
japaneseギャル姉Ｚ ～ガチ気持ちイイ！！　アタシたちがアンタの肉オナホになってやる!!～
restricted_countries CN,DE,SA
China, Germany, Saudi Arabia
Content Descriptors Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5)
controllertagwizard Yes
AI Content Type 1
First seen on SteamDB 23 June 2026 – 09:45:51 UTC (), in changelist #36774566
Content Descriptors (Including DLC) Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5)

Supported Languages

4 Languages Interface Full Audio Subtitles
English Yes Yes
Simplified Chinese Yes Yes
Traditional Chinese Yes Yes
Japanese Yes Yes Yes

Assets

Load all asset images 🔞
clienticon 8425c72ddf30e1ff938f6dfa0d1d2d866c2aca73
icon 8425c72ddf30e1ff938f6dfa0d1d2d866c2aca73
small_capsule
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japanese396696bb26d891274edd2138ac056386e08553a4/capsule_231x87_japanese.jpg
tchinese3e9a4f3d332196b802929a72d805277f5784cc2b/capsule_231x87_tchinese.jpg
schinese92880ccb3dbdfd2b8f3b7b658b28a4a02e1c0ec2/capsule_231x87_schinese.jpg
header_image
japanese80d31cc2a7d26146465c7ccf685a6ba70630eb51/header_japanese.jpg
tchinese69aa3af316c6776a69e437d9bb44dbfbc3a87a99/header_tchinese.jpg
schineseaad4ab6e9b31eea64a8e180a784c406d4a65117c/header_schinese.jpg
english44200aca129513a2b29c3a9b9263ce16c4554094/header.jpg
library_assets_full
library_capsule ↴
image/english71d8dcf429d9acd7f4a64f9385ccc3361da0294d/library_capsule.jpg
image/schinesecc145af8e3b6b1e54d24bfda7e26ee7ff973bf63/library_capsule_schinese.jpg
image/japanese393b4d859a5e99e084a87f26b715a4889f0e7bb0/library_capsule_japanese.jpg
image/tchinesecc493b541f6e9afe18965e2b85e8c8173234c3a8/library_capsule_tchinese.jpg
image2x/english71d8dcf429d9acd7f4a64f9385ccc3361da0294d/library_capsule_2x.jpg
image2x/schinesecc145af8e3b6b1e54d24bfda7e26ee7ff973bf63/library_capsule_schinese_2x.jpg
image2x/japanese393b4d859a5e99e084a87f26b715a4889f0e7bb0/library_capsule_japanese_2x.jpg
image2x/tchinesecc493b541f6e9afe18965e2b85e8c8173234c3a8/library_capsule_tchinese_2x.jpg
library_hero ↴
image2x/english3162d6e7b0c0cc141d4333f5574bfc64568523f0/library_hero_2x.jpg
image/english3162d6e7b0c0cc141d4333f5574bfc64568523f0/library_hero.jpg
library_hero_blur ↴
image/english3162d6e7b0c0cc141d4333f5574bfc64568523f0/library_hero_blur.jpg
library_logo ↴
image/englishb1498c806fe8962287d93bfa176bb23586055c90/logo.png
image/japanese0629bd37c6422d1c608b2ce130d1a7197657c96d/logo_japanese.png
image/schinese634daf0436cfb46ca7868798c8cf13b7c958f3f0/logo_schinese.png
image/tchinese634daf0436cfb46ca7868798c8cf13b7c958f3f0/logo_tchinese.png
image2x/englishb1498c806fe8962287d93bfa176bb23586055c90/logo_2x.png
image2x/japanese0629bd37c6422d1c608b2ce130d1a7197657c96d/logo_japanese_2x.png
image2x/schinese634daf0436cfb46ca7868798c8cf13b7c958f3f0/logo_schinese_2x.png
image2x/tchinese634daf0436cfb46ca7868798c8cf13b7c958f3f0/logo_tchinese_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct56.05355064027939
logo_position/height_pct100
library_header ↴
image/english44200aca129513a2b29c3a9b9263ce16c4554094/library_header.jpg
image/japanese80d31cc2a7d26146465c7ccf685a6ba70630eb51/library_header_japanese.jpg
image/schineseaad4ab6e9b31eea64a8e180a784c406d4a65117c/library_header_schinese.jpg
image/tchinese69aa3af316c6776a69e437d9bb44dbfbc3a87a99/library_header_tchinese.jpg
image2x/english44200aca129513a2b29c3a9b9263ce16c4554094/library_header_2x.jpg
image2x/japanese80d31cc2a7d26146465c7ccf685a6ba70630eb51/library_header_japanese_2x.jpg
image2x/schineseaad4ab6e9b31eea64a8e180a784c406d4a65117c/library_header_schinese_2x.jpg
image2x/tchinese69aa3af316c6776a69e437d9bb44dbfbc3a87a99/library_header_tchinese_2x.jpg
Assets
main_capsule65fff33fb7c4d2e0fbecd82639e81d1eaf0ee5f1/capsule_616x353.jpg
main_capsule_2x65fff33fb7c4d2e0fbecd82639e81d1eaf0ee5f1/capsule_616x353_2x.jpg
small_capsule6a44c2101c890cee17d2cc4d006b0334eab0581e/capsule_231x87.jpg
small_capsule_2x6a44c2101c890cee17d2cc4d006b0334eab0581e/capsule_231x87_2x.jpg
header44200aca129513a2b29c3a9b9263ce16c4554094/header.jpg
header_2x44200aca129513a2b29c3a9b9263ce16c4554094/header_2x.jpg
page_backgroundc179331d32c572bea255e320262ed826c14230f8/page_bg_v6.jpg
hero_capsule332fabdf851c558bbb4328260ba33e2dc2b7ca08/hero_capsule.jpg
hero_capsule_2x332fabdf851c558bbb4328260ba33e2dc2b7ca08/hero_capsule_2x.jpg
library_capsule71d8dcf429d9acd7f4a64f9385ccc3361da0294d/library_capsule.jpg
library_capsule_2x71d8dcf429d9acd7f4a64f9385ccc3361da0294d/library_capsule_2x.jpg
library_hero3162d6e7b0c0cc141d4333f5574bfc64568523f0/library_hero.jpg
library_hero_2x3162d6e7b0c0cc141d4333f5574bfc64568523f0/library_hero_2x.jpg
community_icon8425c72ddf30e1ff938f6dfa0d1d2d866c2aca73.jpg
page_background_pathapp/4886510
raw_page_backgroundc179331d32c572bea255e320262ed826c14230f8/page_bg_raw.jpg
last_modified24 September 2026 – 05:46:48 UTC
timestamp24 September 2026 – 05:46:48 UTC

Trailer 1231268 ↴

trailer_name sample-movie
trailer_category 1
microtrailer ↴
video/webm 4886510/1353206796/b2864f3f8c6ac293f276ed21695f087947cadfa1/1782374305/microtrailer.webm
video/mp4 4886510/1353206796/b2864f3f8c6ac293f276ed21695f087947cadfa1/1782374305/microtrailer.mp4
adaptive_trailers ↴
dash_av1 4886510/1353206796/b2864f3f8c6ac293f276ed21695f087947cadfa1/1782374305/dash_av1.mpd
dash_h264 4886510/1353206796/b2864f3f8c6ac293f276ed21695f087947cadfa1/1782374305/dash_h264.mpd
hls_h264 4886510/1353206796/b2864f3f8c6ac293f276ed21695f087947cadfa1/1782374305/hls_264_master.m3u8
screenshot_medium 257365297/31a6d17050b97e0b5e03ccb641745deb8298a70e/movie_600x337.jpg
screenshot_full 257365297/31a6d17050b97e0b5e03ccb641745deb8298a70e/movie_full.jpg
all_ages false
is_highlight true
timestamp 23 July 2026 – 04:59:58 UTC
Open link