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Monster Musume: Harem Simulator [v0.3.0] by BlackDahliaStudios

Cover for Monster Musume: Harem Simulator
Game Information
Developer BlackDahliaStudios
Engine Ren'Py
Release DateSep 18, 2025
Last UpdateFeb 4, 2026
CensoredNo
OSWindows, Linux, Mac
LanguageEnglish
Voice-
Length-
Original Name-
Aliases-

Monster Musume: Harem Simulator v0.3.0

5.0 (1 votes)
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Overview
Play as Kimihito Kurusu, an average guy who suddenly finds himself living with monster girls!
Based on the popular manga/anime, enjoy imagining what could have been in this fan-made visual novel where Smith allows monster marriage and breeding.​

Screenshots

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This VN is an adaptation of one of my AO3 fanfics.

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v0.3.0: Chapter 3
Papi: Intro Scene
Tionishia: Dialogue and intimacy

v0.1.4:
Bugfix: Construction Order Crash

v0.1.3:
-Canon Monsters: Tionishia, Papi
-Original Monsters: Aethel, Aurora, Calli, Jig
-Expanded Dialogue: Miia, Alice, Hayden
-Features: Fast Travel, NPC Location, Tutorial Skip, Progression Tracking, Dialogue Choices
-Artwork: Reworked
Note: Polt and Papi pushed to next update. Papi has an incomplete intro scene.

v0.1.2:
Bugfix: Miia's room inaccessible

v0.1.1:
-Tutorial
-Basic Emotional AI
-Scenes/CGs/Sprites
-Save files work now
-Slider in Preferences for notification timer
-Cleaned up asset files

v0.1.0:
Initial Release

Download Links
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Source Thread