Synopsis
Story
“You were just going about your ordinary life, when a mysterious girl you met on the street asked you to help her out.
You have no choice but to say yes, and suddenly you are transported back in time to the Edo period!
You are forced to fight against a horde of lascivious girls with a ray gun!
This is a FPS (First Person Shooting) game, fought from the first person perspective.
If you are caught by a girl during combat, the CQC (Close Quaters Combat) system will be activated to do naughty things to you!”
Game system
“In addition to fighting from the FPS perspective, you can also fight on a tank, in a helicopter, or in a TPS (look down) perspective!
The number of stages is 38!
■Various weapons, growth system
A wide variety of firearms can be equipped! Fight with your own unique combination!
Special abilities can be activated by combining Inro chips! Not only can you change the main character’s abilities, but all of the enemies can also change into a school swimsuit, become completely naked, or have super big tits! You are free to do whatever you want!”
Rich erotic elements
“The naughty motions (CQC system) that are triggered when you are caught by a girl in battle are More than 80 types in total! (more than 80 kinds with difference, more than 30 kinds without difference)
You can see naughty motions with automatic camera and subjective view camera.
The sexually explicit verbal ab*se by 8 gorgeous voice actors is also played along with the motions!
Gallery function is also available. You can enjoy naughty motions with edited girls in the dressing room.
All H scenes are specialized in femdom situations.
There are also naughty motions of giantess girls!”
Characters
“Oboro
———————–
A demon girl, an optimist.
She is the one who sent you back in time to Edo. Nojarolori Girl
CV: Uira Komachi”
“Sui
———————–
She is a ninja, but a laid-back person. She’s a bit fluffy. She doesn’t talk much and doesn’t seem to be very motivated.
CV: Kotoza”
“Shiden
———————–
A hot-blooded female samurai. She hates crookedness, but she’s a bit of a clunker.
CV: Kazuha Tachibana”
“Mochizuki
———————–
She is a kind sister of a miko (shrine maiden). She is always fluffy. (Her boobs are also fluffy).
CV: Yumya”
“Oyuki
———————–
Snow woman’s sister, yandere. She thinks you are her husband.
CV: Ao Kuranami”
“??
———————–
A mysterious girl. She holds the key to the commotion happening in Edo?
CV: Yuki Kasumi”
“■Others
– Gamepad support (of course, the game can also be played with a mouse and keyboard)
– English and Chinese (Simplified and Traditional) language will be supported.
– All ages mode allows you to hide the sexually explicit content.
– There is no story connection with our circle’s work “”Harem Trigger! You can enjoy this game even if you start from this game.
– Please make sure to check the operation of the demo version before purchasing.
More detailed information about the game is available on Ci-en.
Please check it out.
https://ci-en.jp/creator/2067
“
(English product description provided by the creator.)
| Circle | CQC Software |
| Tags | R18, Shooting, Voice, Music, Application, Chinese Simplified, Chinese Traditional, Japanese, English |
| Price | 2,227JPY |
Editorial Review
Oedo Trigger!! occupies a peculiar niche in the adult game space: the eroticized action shooter, specifically one built on the premise of time-displaced sexual combat. This is a rare mechanical marriage, separating it from the visual novel-dominated landscape of most R18 doujin while competing in a smaller pool of playable adult games that prioritize gameplay systems alongside sexual content.
The distinctive appeal here lies in the vehicle variety and progression architecture. Rather than static rail-shooter mechanics, you’re navigating 38 stages across FPS, TPS, tank, and helicopter perspectives, with a weapon customization system and “Inro chip” ability combinations that directly impact combat strategy. The Edo period setting provides thematic flavor that distinguishes this from generic sci-fi or contemporary shooters, even if that framing is functionally window-dressing for what amounts to combat-triggered intimate encounters. The CQC system triggers these sequences upon capture, tying sexual content directly to mechanical failure states—a design choice that makes the erotic content feel integrated rather than compartmentalized as a reward sequence.
The multilingual support (Japanese, Chinese Simplified/Traditional, English) suggests serious localization effort for a doujin title, indicating the creator prioritized accessibility and international reach. Voice acting accompaniment across combat and intimate scenes adds production value typical of higher-budget independent works.
This game appeals specifically to players seeking active participation in their adult content rather than passive viewing, and who value actionable challenge and mechanical depth alongside sexual encounters. The shooting-game framework demands reflexes and strategic loadout decisions that persist regardless of the erotic premise.
A genuinely novel approach to adult game design that refuses the visual novel formula. If you want your R18 content earned through performed competence rather than narrative branching, Oedo Trigger!! delivers exactly that unusual combination.
Get “Oedo Trigger!! – Harem Hell ! ” on DLsite
English Version → Free TrialJapanese Original
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Related Tags:
Japanese | R18 | English | Application | Music
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Official English version available ↓
