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Living with my Little Sister

Wishlist Follow Ignore Launch Unwatch Watch
App ID 3478020
App Type Game
Developer
Publisher Saikey Studios
Franchise Saikey Studios
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 39323160
Last Record Update 29 September 2026 – 22:52:09 UTC ()
Release Date 7 June 2025 – 03:47:43 UTC ()
❓ 66.61%
424 reviews
3
In-Game
🧸 Cute 🌸 Anime 🖥️ Simulation 🖼️ 2D 📚 Visual Novel

Your truant younger sister decided to crash at your place. Improve your relationship by spending time with her while balancing your job as an illustrator. Give her a head pat, cook for her, have a chat, and maybe, over time, she'll open up to you.

Steam price history

Special Promotion, ends 8 October 2026
Current Price -50% $2.99
Lowest Recorded Price -50% $2.99 19 March 2026
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -50% $2.99 $2.99 $2.99 -50% $2.99
Russian Ruble -50% 120 ₽ $1.43 -51.86% $1.43 -50% 120 ₽
Indian Rupee -50% ₹ 150 $1.55 -47.89% $1.55 -50% ₹ 150
Indonesian Rupiah -50% Rp 28249 $1.57 -47.17% $1.57 -50% Rp 28249
Ukrainian Hryvnia -50% 74₴ $1.64 -44.93% $1.64 -50% 74₴
Vietnamese Dong -50% 43500₫ $1.67 -44.03% $1.67 -50% 43500₫
Philippine Peso -50% ₱104.97 $1.67 -43.95% $1.67 -50% ₱104.97
SASIA - U.S. Dollar -50% $1.74 $1.74 -41.81% $1.74 -50% $1.74
Japanese Yen -50% ¥ 275 $1.74 -41.73% $1.74 -50% ¥ 275
LATAM - U.S. Dollar -50% $1.79 $1.79 -40.13% $1.79 -50% $1.79
MENA - U.S. Dollar -50% $1.79 $1.79 -40.13% $1.79 -50% $1.79
Chilean Peso -50% CLP$ 1800 $1.83 -38.67% $1.83 -50% CLP$ 1800
Taiwan Dollar -50% NT$ 59 $1.84 -38.17% $1.84 -50% NT$ 59
Saudi Riyal -50% 6.97 SR $1.85 -38.07% $1.85 -50% 6.97 SR
South African Rand -50% R 31.00 $1.85 -37.86% $1.85 -50% R 31.00
Chinese Yuan -50% ¥ 13 $1.93 -35.15% $1.93 -50% ¥ 13
Brazilian Real -50% R$ 10,24 $1.95 -34.48% $1.95 -50% R$ 10,24
Kazakhstani Tenge -50% 875₸ $1.97 -34.01% $1.97 -50% 875₸
CIS - U.S. Dollar -50% $1.99 $1.99 -33.44% $1.99 -50% $1.99
Kuwaiti Dinar -50% 0.62 KD $2.00 -32.86% $2.00 -50% 0.62 KD
Thai Baht -50% ฿67.50 $2.00 -32.81% $2.00 -50% ฿67.50
Malaysian Ringgit -50% RM8.25 $2.02 -32.44% $2.02 -50% RM8.25
Peruvian Sol -50% S/.7.25 $2.09 -30.09% $2.09 -50% S/.7.25
Mexican Peso -50% Mex$ 38.49 $2.10 -29.56% $2.10 -50% Mex$ 38.49
Qatari Riyal -50% 7.99 QR $2.19 -26.69% $2.19 -50% 7.99 QR
Uruguayan Peso -50% $U94 $2.33 -22.00% $2.33 -50% $U94
U.A.E. Dirham -50% 8.75 AED $2.38 -20.32% $2.38 -50% 8.75 AED
Colombian Peso -50% COL$ 8000 $2.40 -19.54% $2.40 -50% COL$ 8000
South Korean Won -50% ₩ 3350 $2.47 -17.13% $2.47 -50% ₩ 3350
Hong Kong Dollar -50% HK$ 19.50 $2.48 -16.88% $2.48 -50% HK$ 19.50
New Zealand Dollar -50% NZ$ 4.49 $2.51 -15.74% $2.51 -50% NZ$ 4.49
Singapore Dollar -50% S$3.25 $2.54 -15.04% $2.54 -50% S$3.25
Canadian Dollar -50% CDN$ 3.89 $2.73 -8.50% $2.73 -50% CDN$ 3.89
Australian Dollar -50% A$ 4.39 $3.04 +1.79% $3.04 -50% A$ 4.39
Costa Rican Colon -50% ₡1400 $3.06 +2.40% $3.06 -50% ₡1400
Euro -50% 2,94€ $3.30 +10.59% $3.30 -50% 2,94€
Norwegian Krone -50% 32,50 kr $3.37 +12.96% $3.37 -50% 32,50 kr
Polish Zloty -50% 13,75zł $3.53 +18.22% $3.53 -50% 13,75zł
Israeli New Shekel -50% ₪10.97 $3.57 +19.44% $3.57 -50% ₪10.97
Swiss Franc -50% CHF 3.24 $3.90 +30.62% $3.90 -50% CHF 3.24
British Pound N/A N/A $3.94 -40% £2.99
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 Flash Club
community_visible_stats Yes
ReleaseState released
Publisher Saikey Studios
Store Release Date 7 June 2025 – 03:47:47 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://discord.com/invite/EaqZEsP3pV
https://x.com/SaikeyStudios
https://www.youtube.com/@saikeystudios/
Primary Genre Simulation (28)
Store Genres Simulation (28)
Steam Release Date 7 June 2025 – 03:47:43 UTC ()
Store Asset Modification Time 15 August 2025 – 16:35:38 UTC () (1755275738)
library_assets
library_capsuleen,ja,zh-cn,zh-tw,ko
library_heroen
library_hero_bluren
library_logoen,ja,zh-cn,zh-tw,ko
library_headeren,ja,zh-cn,zh-tw,ko
logo_position ↴
pinned_positionBottomLeft
width_pct58.401400233372236
height_pct100
osextended empty string
name_localized
japanese不登校妹との30日間
schinese与不登校妹妹一起的30天
tchinese與不登校妹妹一起的30天
koreana등교거부 여동생과 30일
review_score 5
review_percentage 68
Detected Technologies Unity Engine, Mono SDK, SteamworksNET SDK, UnityBurst SDK, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Some in-game text is small and may be difficult to read
  • All functionality is accessible when using the default controller configuration
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 2
  • test_timestamp: 24 June 2025 – 00:00:00 UTC
  • tested_build_id: 18528243
  • steam_machine_tests:
    0 ↴
    display3
    token#SteamMachine_TestResult_ControllerGlyphsDoNotMatchDevice
    1 ↴
    display4
    token#SteamMachine_TestResult_DefaultControllerConfigFullyFunctional
    2 ↴
    display4
    token#SteamMachine_TestResult_DefaultConfigurationIsPerformant
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-4RC
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
controllertagwizard Yes
disable_user_media_upload empty string
First seen on SteamDB 20 January 2025 – 07:50:27 UTC (), in changelist #27071484
disable_user_facing_ugc 1

Supported Languages

5 Languages Interface Full Audio Subtitles
English Yes Yes
Japanese Yes Yes
Korean Yes Yes
Simplified Chinese Yes Yes
Traditional Chinese Yes Yes

Assets

Load all asset images
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japanesed191118299548cd907d80acb62c9c3f97ea58803/capsule_231x87_japanese.jpg
schinese9c83bc48829767294d1e0c686bafd7a3f1123c79/capsule_231x87_schinese.jpg
tchinesefd9d49ad87da0bc124ce5933f38ef9c4a318554f/capsule_231x87_tchinese.jpg
koreana7c5588db37bbf085f28f639a9737ce70c272aa76/capsule_231x87_koreana.jpg
header_image
englishheader.jpg
japanesed240131cc719295ea38980323006fc6dcf1c6550/header_japanese.jpg
schinese76b13264d0b96671280c42988f4451fe830e9f81/header_schinese.jpg
tchineseea827497e5efe8184f8c6ed519af3d16f0802424/header_tchinese.jpg
koreanad48de5e9e53acf2945e72b19cf9b2d75562dc24b/header_koreana.jpg
library_assets_full
library_capsule ↴
image/englished6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900.jpg
image/japaneseb589c4f7e5d22994683311cd74db17ae47778146/library_600x900_japanese.jpg
image/schinese885a1b90a890bbf0dc2ea7ec3f2fc5d737454fb3/library_600x900_schinese.jpg
image/tchinese20f59ff75205186a711f761889498634d02040eb/library_600x900_tchinese.jpg
image/koreanaef16499e37514781f2320dac8c5ebeffcfc61051/library_600x900_koreana.jpg
image2x/englished6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900_2x.jpg
image2x/japaneseb589c4f7e5d22994683311cd74db17ae47778146/library_600x900_japanese_2x.jpg
image2x/schinese885a1b90a890bbf0dc2ea7ec3f2fc5d737454fb3/library_600x900_schinese_2x.jpg
image2x/tchinese20f59ff75205186a711f761889498634d02040eb/library_600x900_tchinese_2x.jpg
image2x/koreanaef16499e37514781f2320dac8c5ebeffcfc61051/library_600x900_koreana_2x.jpg
library_hero ↴
image2x/english24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_2x.jpg
image/english24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero.jpg
library_hero_blur ↴
image/english24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_blur.jpg
library_logo ↴
image/english0e78d8d65c3ad943209426f5535be92dbe421f3d/logo.png
image/japanesee7eb16f01a0173a68c205b73fd263c79b3832d25/logo_japanese.png
image/schinesec198141913edc29eab6933c0c77e61850fcf1691/logo_schinese.png
image/tchinese59aa535368390736b6a6967f2d287b721b007ab1/logo_tchinese.png
image/koreana77cadd568b41cb96e48cb245d275d87c166768f3/logo_koreana.png
image2x/english0e78d8d65c3ad943209426f5535be92dbe421f3d/logo_2x.png
image2x/japanesee7eb16f01a0173a68c205b73fd263c79b3832d25/logo_japanese_2x.png
image2x/schinesec198141913edc29eab6933c0c77e61850fcf1691/logo_schinese_2x.png
image2x/tchinese59aa535368390736b6a6967f2d287b721b007ab1/logo_tchinese_2x.png
image2x/koreana77cadd568b41cb96e48cb245d275d87c166768f3/logo_koreana_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct58.401400233372236
logo_position/height_pct100
library_header ↴
image/english1a8fc163df323f1048c7e4b270c08206435abd66/library_header.jpg
image/japaneseee3a1aab99d7a592fd60a92cfd5e0fe397ff3870/library_header_japanese.jpg
image/schineseebb5016e750ced1b09f0ed9d5cc44926f55d47ea/library_header_schinese.jpg
image/tchinesec9a954b83ab6bd072c1930c3a66b67a32ecca417/library_header_tchinese.jpg
image/koreanad48de5e9e53acf2945e72b19cf9b2d75562dc24b/library_header_koreana.jpg
image2x/english1a8fc163df323f1048c7e4b270c08206435abd66/library_header_2x.jpg
image2x/japaneseee3a1aab99d7a592fd60a92cfd5e0fe397ff3870/library_header_japanese_2x.jpg
image2x/schineseebb5016e750ced1b09f0ed9d5cc44926f55d47ea/library_header_schinese_2x.jpg
image2x/tchinesec9a954b83ab6bd072c1930c3a66b67a32ecca417/library_header_tchinese_2x.jpg
image2x/koreanad48de5e9e53acf2945e72b19cf9b2d75562dc24b/library_header_koreana_2x.jpg
Assets
main_capsule8a0921d6be2e5a4b3f54086e6af2344aad57389b/capsule_616x353.jpg
main_capsule_2x8a0921d6be2e5a4b3f54086e6af2344aad57389b/capsule_616x353_2x.jpg
small_capsule3c511b3a09f5af116fd709ba88c4e50d9d4fdae7/capsule_231x87.jpg
small_capsule_2x3c511b3a09f5af116fd709ba88c4e50d9d4fdae7/capsule_231x87_2x.jpg
headerheader.jpg
header_2xheader_2x.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulef7b00a8cdd71f98306900934cde458eb9c8b6d57/hero_capsule.jpg
hero_capsule_2xf7b00a8cdd71f98306900934cde458eb9c8b6d57/hero_capsule_2x.jpg
library_capsuleed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900.jpg
library_capsule_2xed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900_2x.jpg
library_hero24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero.jpg
library_hero_2x24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_2x.jpg
community_icon31ea4ced1761da2df2aac72be7c19b439aab86d0.jpg
page_background_pathapp/3478020
raw_page_backgroundpage_bg_raw.jpg
last_modified8 December 2025 – 11:05:50 UTC
timestamp8 December 2025 – 11:05:50 UTC

Trailer 844178 ↴

trailer_name EN
trailer_category 0
microtrailer ↴
video/webm 3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/microtrailer.webm
video/mp4 3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/microtrailer.mp4
adaptive_trailers ↴
dash_av1 3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/dash_av1.mpd
dash_h264 3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/dash_h264.mpd
hls_h264 3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/hls_264_master.m3u8
screenshot_medium 257109713/c3a32a23a70803fe4918b20031838af24294b489/movie_600x337.jpg
screenshot_full 257109713/c3a32a23a70803fe4918b20031838af24294b489/movie_full.jpg
all_ages true
is_highlight true
timestamp 4 April 2025 – 01:34:17 UTC
Open link