Synopsis
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https://ci-en.dlsite.com/creator/16247
Welcome to Feminization Device!
As a warrior princess affiliated with the association, you patrol the city day and night, defeating demonic creatures that are lurking or attacking.
Conquer the crimson-stained “Red Zones” and transform them into Green Zones to expand humanity’s safe territories. Complete strategic missions such as rescue missions, extermination missions, purging missions, and special assault missions. Uncover the truth behind the demonic invasion, track the harsh fate of the battle maidens, and expose the presence of traitors.
Battle System
The game uses an over-the-shoulder shooting perspective, and players can switch between combat mode and movement mode by clicking the right mouse button.
In movement mode, use the arrow keys to move and press the spacebar to sprint. Sprinting consumes stamina.
On the map screen, players can move from their current region to an adjacent one. The buttons on the right display the adjacent regions, with colors indicating the threat level. The left-side buttons allow you to revisit your current region. The “City” button opens an overview of the entire map.
Once in an area, players can exit through the designated exit to return to the map screen and move to the next region. This process repeats, allowing for exploration across multiple regions.
Entering the map screen, players can move from the current area to adjacent areas. The right column of buttons represents options for adjacent areas, and the enemy situation in each area is also indicated by color. The left buttons allow you to re-enter the original area. Pressing “City” displays the entire map.
The goal of the Battle Maiden Association is to completely eradicate all demonic creatures in the city. The game is won when all areas are green zones. Conversely, the game is lost when all areas become red zones.
Green Zone: A safe area confirmed to be free of enemies.
White Zone: An unknown area where demonic creatures are lurking, requiring cleanup.
Yellow Zone: A conflict area controlled by gangs or invaded by demonic creatures, possibly with security forces depending on the location.
Red Zone: Completely dominated by demonic creatures, with tentacle monsters continuing to invade adjacent areas.
Characters are divided into three types: melee, shooter, and special abilities. Each character has different charged attacks; some can set traps or barriers, while others can unleash high-damage long-range attacks.
Various Missions
Clear Missions
Players need to eliminate all potential demonic creatures in this area.
Demonic creatures lurking in the area appear no different from ordinary citizens, but once attacked, they immediately reveal their true form and begin attacking the player.
Be careful not to accidentally harm ordinary citizens, as this may result in police intervention. If a player attacks civilians or police in the green zone, their fame will decrease.
Assault Missions
Players need to destroy demonic portals and gang supplies.
Elimination Missions:
Defeat all enemies with a red marker. After a certain number have been defeated, a boss will appear.
Defeating the boss clears the area.
In Yellow Zones, the police may assist.
Rescue Missions
Rescue the women captured by demonic creatures.
Characters
Flame Heart
Ice Soul
Lightning Blaze
Story
Uncover the truth behind the invasion!
Your choices and actions will greatly affect the fate of the warrior princesses.
There are multiple endings too!
(English product description provided by the creator.)
| Circle | FTGirl |
| Tags | R18, Action, Voice, Animation, Application, Chinese Simplified, Japanese, English |
| Price | 550JPY |
Editorial Review
Feminization Device plants itself in the growing intersection of action-game mechanics and adult content—a space where real-time combat systems meet erotic transformation narratives. That genre hybrid remains relatively uncommon in the doujin space, where most feminization-themed works favor visual novel or turn-based formats. This title’s commitment to active, over-the-shoulder shooting gameplay signals ambition beyond static content delivery.
The distinctive hook here is structural: players navigate a tactical map system, complete mission variety (rescue, extermination, purging, assault), and engage in real-time third-person action rather than passive story consumption. The framing of a warrior princess protecting “Green Zones” from demonic incursion provides legitimate gameplay scaffolding for character progression and environmental interaction. The multilingual support (Chinese Simplified, Japanese, English) and voice acting distinguish this as a moderately resourced production, suggesting the developer invested in presentation beyond baseline adult-game standards. Animation tags confirm visual polish rather than static art—meaningful for a work built around action sequences.
The narrative layer—uncovering conspiracy, tracking fallen warriors, exposing traitors—suggests storytelling ambitions that transcend pure erotica. Whether that mystery thread meaningfully integrates with the transformation mechanics or remains window dressing depends entirely on execution, which the synopsis doesn’t clarify.
This is squarely for players who want feminization content fused with genuine action-game engagement, rather than those seeking pure visual novel storytelling or turn-based tactical depth. If the premise of a combat-focused experience where mechanical progression intertwines with erotic transformation appeals to you, the multilingual presentation and voice work make it worth exploring. For those seeking streamlined narrative-focused adult games, the action framework might feel like friction. The developer’s Ci-en presence suggests ongoing support—always valuable for live-service-adjacent adult games.
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Official English version available ↓
