Synopsis
Current version 1.08
■ Story Overview ■
“I have a special medicine you need.
I’m willing to help, but I have conditions.”
The protagonist visits a forest witch to save a cursed companion. However, the rumored witch turns out to be a succubus!
Demanded to surrender his essence and levels, the protagonist is overwhelmed by pleasure. Can he save his companion?
■ Game Content ■
This Drain Dungeon is a board game-style roguelike RPG!
Level up and get drained by the succubus!
Most H-scenes feature depictions of the protagonist’s level being absorbed. The content is not particularly hardcore, with a slight masochistic lean.
■ Volume ■
45 base CGs (approximately 44 H-scenes)
11 base character sprites
Illustrations: Suzuki Sakura, Entotsu, Urabe Nemuko
Partial Maps: Nasu
Scenario Original Concept: Case
Game Resolution: 800×600
Message skip and backlog available
Scene recollection and CG gallery modes included
*H-scenes viewable after battle defeats are registered in the gallery even if you achieve victory.
*The trial version contains scenes from 6 base CGs.
■ Notes ■
This work was created using WOLF RPG Editor.
Please test the trial version before purchase to confirm compatibility.
Updates with fixes and additions may be released.
Get “Drain Dungeon 3” on FANZA
This Week’s Top Rankings:
Interested? Get the free trial here ↓







![Cthulhu Mythos TRPG “In the Dull Gray” [4-TRUMP]](http://henhenta.com/wp-content/uploads/2026/05/RJ01097259-300x169.jpg)

![Hyaku Monogatari [Crossover]](http://henhenta.com/wp-content/uploads/2026/05/RJ140806-300x225.jpg)
![Restraint Ballet [WOODGLIM]](https://img.dlsite.jp/modpub/images2/work/doujin/RJ313000/RJ312163_img_main.jpg)
