This 2D hentai visual novel was created by doujinsoft in Ren'Py. You play a demon who made a contract with Kobeni: she offers intimate stimulation, while your power is part of the deal. The story gives you ten days to help her keep her job, fight devils, and grow stronger. It combines visual novel progression with timing-based intimate scenes, using 2D AI-assisted CG and adult themes such as corruption and monster content.
The current paid version is v1.4, released September 9, 2025, and development is ongoing. It runs on Windows, Linux, and Mac in English, with no censorship. The latest update added bathroom scenes for training Kobeni and gaining experience, fixed a costume selection issue that blocked progress, and included new dialogue. It also reduced how often illustrations update during intimate motion, letting players view them longer, and introduced a high-score system that awards EXP and records performance as a base for future challenges.
Developer's description
As the sloppy blowjob demon,you signed a contract with Kobeni to give you sexual stimulation in exchange of your power. What would you do now? In this 2D hentai visual novel, you have 10 days to help her avoid getting fired at her job, fight devils, and grow stronger while savoring her sexual favors in a timing based gameplay during sex scenes
v1.4 Paid
New bathroom scenes where you can train Kobeni and gain experience
Fixed an issue with costume selection that previously hindered progress
Added new dialogue scenes to increase immersion
Adjusted the frequency of illustration updates during thrusting — they now update less often, giving you more time to appreciate them.
Added a high score mechanic that grants EXP and tracks your performance during thrusting. This will serve as the foundation for a future challenge system
v1.3 Paid
You can now track Kobeni's income, happiness, and health throughout her daily life.
Keeping her in good condition will help her avoid being fired, and it will also allow both of you to gain experience and grow together
New activities have been added to help her enjoy life: you can give her massages, play video games, or go to the swimming pool
Performance during sex scenes has been improved, including better response to the thrust push button
Adjusted level progression to make the experience smoother
Kobeni can now give handjobs with your demon-sized penis
v1.2 Paid
Kobeni can now wear a new cosplay outfit after each successful mission. There are currently multiple costumes to unlock (cheerleader, playboy bunny, school sailor uniform, maid, etc.).
Training her to wear these outfits helps her build confidence and gain experience.
All outfits are unlockable in the
FULL
version of the game.
Added a new option during gameplay to view unlocked skills and future available skills. This helps you plan your playstyle for your playthrough.
Added a new option to review tutorial help messages during gameplay
Revamped EXP gain and level progression for a smoother leveling experience
Bug fixes
New dialogue interactions
Skills are available in the
DEMO
version up to level 6
Player reviews
Player rating2.5 / 5 · 6 ratings
Written reviews6 · avg 2.7★
Positive (4–5★)17%
Latest review2025-10-06
What players say
Low to mixed ratings reflect appealing premise and character offset by grindy, buggy minigame.
5★0
4★1
3★2
2★3
1★0
Players like
Premise and setting have strong appeal
AI artwork can look good
Kobeni's design and personality are appealing
Common complaints
Leveling requires too much grinding
Sex minigame timing feels janky
Bugs and lag disrupt gameplay
Best for players who like Kobeni's design and tolerate grindy, buggy mechanics.
Summarised from 6 written player reviews.
DangerousGambler2025-10-06★★★★★
review with drops of certainty version 1.4: Honestly, the idea was very simple and easy to execute. Kobeni is a great character to have as a spotlight. Charismatic and clumsy, she's a good "heroine." Which, in my opinion, I think…
CavemanJohnson2025-08-11★★★★★
Unga Bunga Translation: "It's a buggy, poorly coded mess right now. The CG's are made with AI which tells me the amount of effort actually put into this isn't all that great. - Gameplay It's a Ren'Py game, works like…
forkai2025-08-07★★★★★
I really want to like this one—the premise is genuinely strong, and the setting draws you in with a lot of potential. The text and atmosphere make you curious to see more of the world and characters. But the constant…