Overview

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You and your girlfriend fall into a parallel world while investigating a gossip that circulates around the city of Sirua. Discover or join the plot of the kingdom of Dulobia and the power that rules in Vesteria. Your adventure in that world begins to awaken something you have never experienced before – choosing between building up your relationship or satisfying the perverse desire to corrupt your girlfriend Sakiko and watch her with other men.

Will they make it to the end of the adventure without falling into darkness? Or will they surrender to their deepest desires? You will choose their fate.​

Screenshots

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Changelog

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v1.4.1 – Remake & Localization Update

• Visual Overhaul Replaced legacy placeholder CGs and early-development renders
• Integrated the official protagonist model into major Chapter 1 and Chapter 2 scenes
• Updated scenes previously using silhouette/Koikatsu placeholder assets
• Improved lighting, composition, and overall visual consistency
• Added new backgrounds across multiple sequences
• Localization Update Major Spanish → English localization pass completed
• Fully translated Chapter 2.1 main routes (Nina, Sakiko, Aiko)
• Translated Guild Festival events and shared sequences
• Translated key Prologue scenes and world introduction
• Completed translation of all Chapter 3.3 ending routes

Engine & Technical Improvements Backend refactor for future DLC and expansion support

• Improved script modularization and label structure
• Fixed critical Ren’Py translation crash in Aiko route
• Standardized [Player] variable usage across translated scripts
• Performed script integrity sweep and cleanup for empty strings and legacy formatting

v1.4.0

Bug Fixes

• Fixed critical crash at the end of the Akatsura arc
• Akatsura departure now correctly transitions to Nascombworth Castle (Chapter 3.3)
• Restored proper story progression between chapters
• Resolved broken event flow in late Chapter 3 sequence

Technical Changes

• Updated chapter3_2_departure_train.rpy routing to Chapter 3.3
• Verified Akatsura event variables and flags
• Stability pass on final arc scripts

v1.3.9

Castle Arc – Chapter 3.3
Final Update

This update completes the Castle Arc and brings Corrupting My Girlfriend in Another World to its narrative conclusion, directly leading into Monarch’s Journey.

This chapter is not about combat or escalation.
It’s about pressure, power, and the consequences of everything that came before.

Inside Nascombworth Castle, nothing exists to protect the player.
Rules, delays, and silences are part of a structure designed to see how far you bend before something breaks.

Your choices don’t just change scenes.
They decide what you’re allowed to keep, what you lose, and what the world decides for you.

What this chapter offers

• A final stretch focused on political tension, hierarchy, and loss of control
• Multiple endings shaped by behavior under pressure, not by chasing flags
• Personal routes that lead to confrontation, separation, sacrifice, or collapse

About the endings (no spoilers)
Each ending reflects a different way of facing the system:

• Walking away while losing part of yourself
• Escaping with someone you care about, at a permanent cost
• Paying for past mistakes too late to undo them
• Accepting a damaged new order
• Or losing agency entirely

v1.3.5

Akatsura Arc – Part II (The Pleasure District)
New character events:
Aiko – Expanded Route Event:
Additional intimate moments.

Sakiko – Comfort & Curiosity Event:
New branching encounter.

Nina – Jealousy & Resolve Event:
New interactions with Nina.

Masked Girl – Solitary Exploration Event:
Solo event with the masked girl and a hostess, expanding Akatsura’s underground lore.

Kimiko – Second Pre-Final Conversation:
New story event addressing political tension and the upcoming peace ceremony.

Special multi-character event:
Steam Bath Harem Event:
New multi-girl scene in the steam baths, featuring:
• new animations and event variations

Visual & atmosphere updates:
• New backgrounds for baths, alleys, private rooms and council areas.
• New animations added across Akatsura events.

Story progression:
• Main storyline continues beyond Akatsura Part II.
• New transition chapter: Departure from Akatsura → Journey to the Peace Treaty Castle.

System update:
• Stats screen removed.
• Updated About screen and credits.
• Fixed conditional triggers and label conflicts.
• Minor grammar and dialogue polish.

v1.3.3
Akatsura Arc – Part I (The Pleasure District)
New character events:

• Aiko – Mask Shrine Event: Deeply personal narrative exploring Aiko’s control, trust, and hidden insecurities.
• Sakiko – Teahouse Event: Emotional and atmospheric encounter that tests comfort, affection, and curiosity.
• Nina – Balcony Event: Unique, one-time interaction revealing Nina’s inner conflicts and motivations.
• Kimiko – Guildhouse Event: First major insight into Kimiko’s past, her political role, and her family’s connection.

Visual & atmosphere updates:

• New backgrounds for Akatsura’s lantern streets, shrines, teahouses, and balconies.
• New music added
• New animations added

System update:

• Minor grammar and dialogue polish
• Revised several early lines for tone consistency and natural delivery among all main characters.
• Script refinements from previous chapters.

v1.3.1

• Added new story content: Hanamizu exploration hub introduced as a short interlude. It serves as a resting point between arcs, offering optional scenes that strengthen the player’s connection with Aiko, Sakiko, and Nina.
• Expanded character interactions: Subtle choices at the start of exploration allow the player to share quiet moments with the heroines, defining vanilla, NTR, or corrupted routes depending on decisions.
• New NSFW scenes:
  • Aiko (vanilla intimacy at the colina).
  • Sakiko (NTR variants: observation and interruption).
  • Nina (first corrupted encounter).
• Visual improvements:
  • New renders for colina, market, and sanctuary with improved lighting and atmosphere to highlight the sense of pause and transition.
  • Remake of older scenes in Thomas’ bar (Aiko only): shadow placeholders for the protagonist and background NPCs have been replaced with proper quality renders for a more polished look.
• Route integration: Adjusted flags (Happy_ending, Cuckold_path, Corrupted_path) to ensure these events influence future outcomes.
• Script refinements: Dialogue rewritten to present Hanamizu as a moment of calm before upcoming conflicts, avoiding unnecessary depth with secondary characters.
• Stability fixes: Cleaned up menus and removed redundant persistent checks that previously caused syntax errors during previous chapters.

V1.2.9

• Added new story content: a short continuation in Raeledorm, setting up the upcoming transition toward Hanamizu.
• Reworked early scenes: Shadow/placeholder characters have been replaced with generic NPCs, giving more life and atmosphere to the world.
• Player perspective update: Old shadow-person renders for the protagonist have been fully remade, now featuring proper interactions with Aiko and Sakiko in key scenes.
• Visual improvements: additional renders and polish to make earlier sections more immersive.
• Minor performance and script adjustments to keep the game stable for this version.
• Minor grammar corrections for some scenes.

v1.2.6

• Added new story content: the second part of the Town of the Endless Echo arc, including 150 new renders and several new animations for the Prologue.
• Reworked the Prologue and Chapter 1: character silhouettes were replaced, scenes now have full visuals. Previously blacked-out characters now appear normally.
• Updated and added new animations, including video scenes from the Prologue. More will continue to be updated in Chapter 1 in the next release.
• Fixed and added a new part of the beach scene during the Guild party: new NTR routes for Sakiko and Aiko have been added, which were previously missing and not implemented.
• Fixed a bug in the second part of the Endless Echo town segment where the character Erich was not properly defined.
• Removed leftover variables from the old love point system (e.g., Sakiko’s route system, Aiko love), which are no longer in use.
• Updated the gallery. This is the second-to-last gallery update; the final update will include the remaining scenes for Mashiro and Isara (spoiler: Kimiko).
• Updated the main menu and changed the interface color and buttons.
• Corrected translation and grammar issues in the Prologue.
• Made several minor improvements for realism and flow.
• Improved the game icon/logo.

Dev Notes

• Please note that previous save files may no longer work due to engine changes.

v1.2.5

• Added new story (First part of the town of the endless echo)
• Added events for every L.I (Vanilla/NTR)
• Added 110+ new renders
• 2000+ new lines of dialogues
• Added 3+ animations
• Added new backgrounds.
• Added new choices for old stat events
• Updated patreon credits inside “about” section
• Fixed some translation issues for chapter 3.1 and 2.
• Fixed chapter 1 – Sadao cuckold scene with Saki after saving the mayor
• Fixed issues with some routes.
• Fixed some issues with old variables (Harem, dominant, love, cuckold)
• Fixed butler scene, bar with Sakiko and more events with stats REQs.

v1.2.3

• Added new story (Sadao – multiple routes for L-I/Vanilla only)
• Added 100+ new renders
• 1000+ new lines of dialogues
• Added 4+ animations
• Added new backgrounds.
• Fixed some translation issues for chapter 3.
• Fixed issues with the interface
• Fixed translation for chapter 2.

v1.1.9

• Added 20+ new renders
• 30+ new lines of dialogues for previous chapters.
• Added and fixed some scenes from previous chapters (Tavern and a few more locations)
• Added 10+ animations for previous chapters
• Added and replaced some backgrounds from previous chapters.
• Fixed translation issues
• Fixed some quality for certain renders
• Fixed general issues and bugs
• Fixed and adjusted cheats menu (Now you can jump to the desired chapter from the cheat menu without playing an entire route (Only to explore certain events CH1, CH2, CH3)

v1.1.8

• 280+ new renders
• Added continuation of the story (Town of sleep part 2)
• Added new mechanic (Pregnancy for Aiko/Sakiko during Town of sleep)
• Added new animations
• 8000+ new lines of dialogues, new choices and paths for every l.i
• Added new backgrounds.
• Added new renders, pregnancy variations and more.
• Fixed translation issues
• Fixed general issues and bugs
• Fixed GUI problems.

v1.1.6

• 240+ new renders
• Added continuation of the story (Town of sleep part 1)
• 4000+ new lines of dialogues, choices and paths for every l.i
• Added new backgrounds.
• Added new renders.
• Fixed translation issues Fixed general issues and bugs

v1.1.4

Fixed general issues and bugs

333+ new renders

Christmas DLC and part of the final chapter of the main story plot added.

7000+ new lines of dialogues, choices and paths for every l.i (DLC ONLY)

Added new backgrounds.

Added new renders.

Added new GUI only for DLC.

Added new characters

Added new music

Added new sounds

Added new patreon descriptions

Fixed translation issues regarding to chapter 1 translation

How To Install Corrupting My Girlfriend in Another World

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1. Extract
2. Play

Corrupting My Girlfriend in Another World Free Download

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