Living with my Little Sister

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App ID	3478020
App Type	Game
Developer	Flash Club
Publisher	Saikey Studios
Franchise	Saikey Studios
Supported Systems	Windows
Technologies	Unity Engine
Last Changenumber	30543957
Last Record Update	12 August 2025 – 09:07:16 UTC ()
Release Date	7 June 2025 – 03:47:43 UTC ()

❓ 67.51%

310 reviews

In-Game

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.

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

11 August 2025 – 06:33:28 UTC () (1754894008)

library_assets

library_capsule	en,ja,zh-cn,zh-tw,ko
library_hero	en
library_hero_blur	en
library_logo	en,ja,zh-cn,zh-tw,ko
library_header	en,ja,zh-cn,zh-tw,ko
logo_position ↴
pinned_position	BottomLeft
width_pct	58.401400233372236
height_pct	100

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
koreana	등교거부 여동생과 30일

review_score

review_percentage

Detected Technologies (?)

Unity Engine, 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
test_timestamp: 24 June 2025 – 00:00:00 UTC
tested_build_id: 18528243

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	0
non_deck_display_glyphs	1
small_text	1
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-9.0-4RC
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

controllertagwizard

Yes

First seen on SteamDB

20 January 2025 – 07:50:27 UTC (), in changelist #27071484

Supported Languages

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

Assets

Load all asset images

clienticon

bf4c1b83c030a7289ef62fb7a83840ad33dd62b8

clienttga

19ab67287e2faaac376f7745e24aef842068da1c

icon

31ea4ced1761da2df2aac72be7c19b439aab86d0

small_capsule

english	3c511b3a09f5af116fd709ba88c4e50d9d4fdae7/capsule_231x87.jpg
japanese	d191118299548cd907d80acb62c9c3f97ea58803/capsule_231x87_japanese.jpg
schinese	9c83bc48829767294d1e0c686bafd7a3f1123c79/capsule_231x87_schinese.jpg
tchinese	fd9d49ad87da0bc124ce5933f38ef9c4a318554f/capsule_231x87_tchinese.jpg
koreana	7c5588db37bbf085f28f639a9737ce70c272aa76/capsule_231x87_koreana.jpg

header_image

english	header.jpg
japanese	d240131cc719295ea38980323006fc6dcf1c6550/header_japanese.jpg
schinese	76b13264d0b96671280c42988f4451fe830e9f81/header_schinese.jpg
tchinese	ea827497e5efe8184f8c6ed519af3d16f0802424/header_tchinese.jpg
koreana	d48de5e9e53acf2945e72b19cf9b2d75562dc24b/header_koreana.jpg

library_assets_full

library_capsule ↴
image/english	ed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900.jpg
image/japanese	b589c4f7e5d22994683311cd74db17ae47778146/library_600x900_japanese.jpg
image/schinese	885a1b90a890bbf0dc2ea7ec3f2fc5d737454fb3/library_600x900_schinese.jpg
image/tchinese	20f59ff75205186a711f761889498634d02040eb/library_600x900_tchinese.jpg
image/koreana	ef16499e37514781f2320dac8c5ebeffcfc61051/library_600x900_koreana.jpg
image2x/english	ed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900_2x.jpg
image2x/japanese	b589c4f7e5d22994683311cd74db17ae47778146/library_600x900_japanese_2x.jpg
image2x/schinese	885a1b90a890bbf0dc2ea7ec3f2fc5d737454fb3/library_600x900_schinese_2x.jpg
image2x/tchinese	20f59ff75205186a711f761889498634d02040eb/library_600x900_tchinese_2x.jpg
image2x/koreana	ef16499e37514781f2320dac8c5ebeffcfc61051/library_600x900_koreana_2x.jpg
library_hero ↴
image2x/english	24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_2x.jpg
image/english	24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero.jpg
library_hero_blur ↴
image/english	24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_blur.jpg
library_logo ↴
image/english	0e78d8d65c3ad943209426f5535be92dbe421f3d/logo.png
image/japanese	e7eb16f01a0173a68c205b73fd263c79b3832d25/logo_japanese.png
image/schinese	c198141913edc29eab6933c0c77e61850fcf1691/logo_schinese.png
image/tchinese	59aa535368390736b6a6967f2d287b721b007ab1/logo_tchinese.png
image/koreana	77cadd568b41cb96e48cb245d275d87c166768f3/logo_koreana.png
image2x/english	0e78d8d65c3ad943209426f5535be92dbe421f3d/logo_2x.png
image2x/japanese	e7eb16f01a0173a68c205b73fd263c79b3832d25/logo_japanese_2x.png
image2x/schinese	c198141913edc29eab6933c0c77e61850fcf1691/logo_schinese_2x.png
image2x/tchinese	59aa535368390736b6a6967f2d287b721b007ab1/logo_tchinese_2x.png
image2x/koreana	77cadd568b41cb96e48cb245d275d87c166768f3/logo_koreana_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	58.401400233372236
logo_position/height_pct	100
library_header ↴
image/english	1a8fc163df323f1048c7e4b270c08206435abd66/library_header.jpg
image/japanese	ee3a1aab99d7a592fd60a92cfd5e0fe397ff3870/library_header_japanese.jpg
image/schinese	ebb5016e750ced1b09f0ed9d5cc44926f55d47ea/library_header_schinese.jpg
image/tchinese	c9a954b83ab6bd072c1930c3a66b67a32ecca417/library_header_tchinese.jpg
image/koreana	d48de5e9e53acf2945e72b19cf9b2d75562dc24b/library_header_koreana.jpg
image2x/english	1a8fc163df323f1048c7e4b270c08206435abd66/library_header_2x.jpg
image2x/japanese	ee3a1aab99d7a592fd60a92cfd5e0fe397ff3870/library_header_japanese_2x.jpg
image2x/schinese	ebb5016e750ced1b09f0ed9d5cc44926f55d47ea/library_header_schinese_2x.jpg
image2x/tchinese	c9a954b83ab6bd072c1930c3a66b67a32ecca417/library_header_tchinese_2x.jpg
image2x/koreana	d48de5e9e53acf2945e72b19cf9b2d75562dc24b/library_header_koreana_2x.jpg

Assets

main_capsule	8a0921d6be2e5a4b3f54086e6af2344aad57389b/capsule_616x353.jpg
small_capsule	3c511b3a09f5af116fd709ba88c4e50d9d4fdae7/capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	f7b00a8cdd71f98306900934cde458eb9c8b6d57/hero_capsule.jpg
hero_capsule_2x	f7b00a8cdd71f98306900934cde458eb9c8b6d57/hero_capsule_2x.jpg
library_capsule	ed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900.jpg
library_capsule_2x	ed6702a102589fc2bbdfb6a0fd58bc0cd3c85af3/library_600x900_2x.jpg
library_hero	24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero.jpg
library_hero_2x	24cfafb73584b7dc9dc995d102cfeb80f2d4ba02/library_hero_2x.jpg
community_icon	31ea4ced1761da2df2aac72be7c19b439aab86d0.jpg
page_background_path	app/3478020
raw_page_background	page_bg_raw.jpg
timestamp	11 August 2025 – 06:33:37 UTC

Trailers

257109713 ↴
trailer_name	EN
trailer_category	0
trailer_480p/video/webm	257109713/movie480_vp9.webm
trailer_480p/video/mp4	257109713/movie480.mp4
trailer_max/video/webm	257109713/movie_max_vp9.webm
trailer_max/video/mp4	257109713/movie_max.mp4
microtrailer/video/webm	3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/microtrailer.webm
microtrailer/video/mp4	3478020/844178/a5513f4d24aef26e6a9a0d4ed86eb76d8d3378d6/1750826264/microtrailer.mp4
screenshot_medium	257109713/c3a32a23a70803fe4918b20031838af24294b489/movie_600x337.jpg
screenshot_full	257109713/c3a32a23a70803fe4918b20031838af24294b489/movie_full.jpg
trailer_base_id	844178
all_ages	true
is_highlight	true
timestamp	1743730457

Depots

ID	Configuration	Size	DL.
3478021	Windows English	593.88 MiB	48.35 MiB
3478022	Windows Japanese	593.85 MiB	53.70 MiB
3478023	Windows Simplified Chinese	601.73 MiB	58.23 MiB
3478024	Windows Traditional Chinese	593.85 MiB	53.70 MiB
3478025	Windows Korean	601.73 MiB	58.23 MiB

Total size on disk is 2.92 GiB and total download size is 272.20 MiB.

Total size on disk is 593.88 MiB and total download size is 48.35 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		18528243	20 May 2025 – 04:40:41 UTC

Living with my Little Sister

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches