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Marshmallow Imouto Succubus

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App ID 2243980
App Type Game
Developer
Publisher Sekai Project
Supported Systems Windows
Technologies KiriKiri Engine
Last Changenumber 31542944
Last Record Update 8 October 2025 – 07:21:48 UTC ()
Release Date 22 September 2023 – 18:55:19 UTC ()
❓ 66.33%
18 reviews
0
In-Game
😌 Casual 📚 Visual Novel 🗺️ Adventure 🌸 Anime 💘 Romance

Tsukikawa Keisuke had a strange dream. That dream involved his younger sister but instead of her usual, innocent self, she had lust in her eyes. So he finds out that a succubus lurks within her! How will he choose between his innocent sister and the allure of a lustful succubus?!

Additional Information

Developer Orcsoft
ReleaseState released
Publisher Sekai Project
Store Release Date 22 September 2023 – 18:55:22 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Adventure (25)
Store Genres Adventure (25), Casual (4)
Steam Release Date 22 September 2023 – 18:55:19 UTC ()
Store Asset Modification Time 22 September 2023 – 05:34:53 UTC () (1695360893)
library_assets
library_capsuleen,zh-cn,ja
library_heroen
library_logoen,ja,zh-cn
logo_position ↴
pinned_positionBottomLeft
width_pct50
height_pct50
osextended empty string
name_localized
japaneseましゅまろ☆いもうと☆さっきゅばす☆
schinese棉花糖☆妹妹☆魅魔
review_score 6
review_percentage 77
Detected Technologies (?) KiriKiri Engine, Vorbis SDK
Steam Deck Compatibility
  • Steam Deck:
  • Valve is still working on adding support for this game on Steam Deck
  •  
  • SteamOS:
  • Valve is still working on adding support for this game on SteamOS
  •  
  • category: Unsupported
  • steamos_compatibility: Unsupported
  • test_timestamp: 12 October 2023 – 00:00:00 UTC
  • tested_build_id: 12263374
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-8.0-4
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors Some Nudity or Sexual Content (1), General Mature Content (5)
First seen on SteamDB 6 December 2022 – 02:37:59 UTC (), in changelist #16973868
Content Descriptors (Including DLC) Some Nudity or Sexual Content (1), General Mature Content (5)

Supported Languages

3 Languages Interface Full Audio Subtitles
English Yes Yes
Japanese Yes Yes Yes
Simplified Chinese Yes Yes

Tags

😌 Casual 📚 Visual Novel 🗺️ Adventure 🌸 Anime 💘 Romance 🤡 Comedy 🔞 Sexual Content 🧞 Choices Matter 🔚 Multiple Endings 👤 Singleplayer 🥵 Hentai 🍑 Nudity

Categories

Single-player Family Sharing

Assets

Load all asset images
clienticon 22e3d409764c8b5a6e64c3b2a221a898e53643cb
clienttga 39f846a938aa3e62b264349b1e3c96127e177c73
icon 1f76ef444f068a0e6512dd3d307e496f085ebd82
small_capsule
englishcapsule_231x87.jpg
japanesecapsule_231x87_japanese.jpg
schinesecapsule_231x87_schinese.jpg
header_image
englishheader.jpg
schineseheader_schinese.jpg
japaneseheader_japanese.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/schineselibrary_600x900_schinese.jpg
image/japaneselibrary_600x900_japanese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/schineselibrary_600x900_schinese_2x.jpg
image2x/japaneselibrary_600x900_japanese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image/japaneselogo_japanese.png
image/schineselogo_schinese.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct50
logo_position/height_pct50
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon1f76ef444f068a0e6512dd3d307e496f085ebd82.jpg
page_background_pathapp/2243980
timestamp11 October 2024 – 03:14:54 UTC

Trailer 600571 ↴

trailer_name Teaser Trailer
trailer_category 0
trailer_480p ↴
video/webm 256965636/movie480_vp9.webm
video/mp4 256965636/movie480.mp4
trailer_max ↴
video/webm 256965636/movie_max_vp9.webm
video/mp4 256965636/movie_max.mp4
microtrailer ↴
video/webm 2243980/600571/23ac0b76b052cccae2d83cb5351212a930d954e2/1751527706/microtrailer.webm
video/mp4 2243980/600571/23ac0b76b052cccae2d83cb5351212a930d954e2/1751527706/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2243980/600571/23ac0b76b052cccae2d83cb5351212a930d954e2/1751527706/dash_av1.mpd
dash_h264 2243980/600571/23ac0b76b052cccae2d83cb5351212a930d954e2/1751527706/dash_h264.mpd
hls_h264 2243980/600571/23ac0b76b052cccae2d83cb5351212a930d954e2/1751527706/hls_264_master.m3u8
screenshot_medium 256965636/movie.293x165.jpg
screenshot_full 256965636/movie_full.jpg
all_ages true
is_highlight true
timestamp 9 September 2023 – 01:14:52 UTC

History

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