Synopsis
[ Plot Summary ]
Rox Rionell was the mayor’s son. He ran away from home after dropping-out with his incompetency in magic.
During his commute to the part-time item store, he encounters a woman who came off as homeless.
She claims herself to be his daughter. She has travelled time, arriving from the future.
The woman hands over a hand-written letter to Rox.
It’s message was heartbreaking. Upon the mayor’s death, Rox’ brother succeeded soon thereafter.
His politics was relentless. Civilians were oppressed with ruthless violence and were taxed heavily.
The sender pleaded for Rox to stand up for the future.
[ Game Properties ]
* Alchemy
Collect stones, tree branches etc to produce items including medicine, weapons, and armor.
The protagonist has the recipe memorized, Items can be produced anywhere.
* The in-game battles use the standard command / turn-type fights.
* City Development
The protagonist can disassemble / reconstruct buildings
to build new archetecture anywhere of his will.
The city is filled with diversity. They also carry differing interests.
These can sound selfish at times.
Once the construction is complete, this triggers sub-events.
For exmple, you can peek inside sex-stores and …
* Build your Ego
The protagonist’s Ego increases as he steals the virginity of other females.
Unleash your magical powers by proactively having sex with virgins!
Some NPCs are equipped with the choice whether to steal her virginity or not.
* Internal Politics
Command orders to your civilians for the city’s development, defense, and production.
You can also instruct your civilians to focus on a specific industry.
As the city population rises, this triggers multiple side-events.
* Sex Scenes
The protagonist exerts aggression over the heroine. They do what lovers do.
You can unleash the heroine’s secrets by mesmerizing her with your skills.
* Daily Diary
Visit the daily diary when you’re lost. This would detail hints for what to do next.
This diary also documents a brief summary of your acievements.
* Thought you’re done? Wrong!
Upon game completion, you can further develop your city by opening casinos.
There are also over 10 sub-events only available after clearing the game.
Normal gameplay should cause at least 20 events.
* You can be ousted with bad politics.
This trigegrs events at the colosseum, casino, and city.
* Rollercoaster Story
The RPG’s plot is intentionally unpredictable.
As the mayor, you encounter various enemies, and fight at times!
* CG
Under the CG mode, the CG can be played at any time.
You can also switch views. The CG mode is a hidden feature.
[ Demo Version ]
The demo version includes the introductory segments of the game.
You would be limited to the most basic building structures.
In the production version, you need to procure all materials yourself.
[ Upgrades ]
* Included the message skip and spped up features.
Press the A button to skip messages and
speed up other conversations three-fold.
* Balance adjustments.
Prevented the city from destroying before
entering the final dungeon.
* Press nine times on the construction kit
at the top left from the center of the city.
This would enable you to find 8 construction kits.
* Additional womans at the sex shop.
While Laura used to be your only choice,
we are proud to newly introduce Stephanie to you.
We also included additional prizes to the BF battle.
* Additional characters that can be
brainwashed with the seductive perfume.
The recipe for the seductive perfume can be learned from the red-hair at Rusta village.
It’s a fusion of perfume (purchase at sex store) and semen (receive from sex shop).
Three characters can use the seductive perfume; the lady at the armor store, Reina at the casino, and Ashley (Angelica’s sister).
(English product description provided by the creator.)
| Circle | Shimizuan |
| Tags | R18, Role-playing, Music, Application, English |
| Price | 1,430JPY |
Editorial Review
Successor Complex plants itself in an increasingly crowded space: the erotic city-builder hybrid that fuses narrative weight with systems-driven gameplay. What distinguishes it is the willingness to anchor both mechanics and eroticism within a time-travel redemption narrative—a framework that gives consequence to resource management rather than treating it as window dressing for adult content.
The hook is immediately compelling. A dropout protagonist receives a desperate plea from his daughter in the form of a time-displaced confession, establishing moral stakes before a single alchemy recipe is unlocked. This narrative scaffolding transforms the city-development and turn-based combat systems from separate minigames into expressions of the protagonist’s journey toward political agency. The alchemy system—portable item crafting from foraged materials—further reinforces the scrappy, ground-level approach to building power from nothing, which thematically mirrors his transformation from failure to leader.
The combination of turn-based RPG combat with city reconstruction is uncommon in the adult game space, where most titles default to either pure narrative or arcade-style battle systems. By pairing these mechanics with an English localization and soundtrack implementation, the work signals production polish and structural ambition that suggests mechanics serve story rather than interrupt it.
This appeals most strongly to players who’ve tired of purely visual novel frameworks and want tangible systems reflecting character progression—particularly those comfortable with political intrigue narratives where building infrastructure carries emotional weight. The time-travel daughter dynamic also suggests character-driven storytelling rather than disposable scenarios.
The synopsis cuts off mid-description, which raises questions about how thoroughly these mechanics integrate into the full experience, but what’s documented suggests a developer genuinely committed to making sim-building meaningful rather than obligatory within an adult narrative context. That ambition alone warrants attention from genre specialists.
Official English version available ↓
Get “Successor Complex – Erotic Mas” on DLsite
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R18 | English | Application | Music | Role-playing
