Zero to Harem Hero: A Hentai Isekai Adventure
Game Information
Developer
Z2HH DevVersion
v0.2.2 Patreon
Engine
RPGM
Release Date
Jun 8, 2026
Last Update
Jun 8, 2026
Censorship
Uncensored
Overview
Zero to Harem Hero: A Hentai Isekai Adventure is a 3D adult RPG for players who enjoy fantasy harem stories with a comic, easygoing tone. It suits anyone who wants an isekai setup played mostly for laughs rather than high stakes.
Story
Pulled into the world of Eldaria, the protagonist is handed the standard task of stopping a Demon Lord, but the real focus is on the odd cast of allies, rivals, and temptations he meets along the way rather than any grand heroics.
Gameplay
Players move through Eldaria completing quests and encounters tied to the Demon Lord plot while meeting a wide range of potential companions. Progress opens new classes and party members, and individual relationships develop through their own small storylines and scenes as affection grows. The structure leans on RPG progression and sandbox-style exploration between story beats.
Features
- A broad cast of companion types, from royalty to monster girls, each with a distinct personality
- Class system that changes how encounters and quests can be approached
- Individual affection paths for companions that add scenes and side content over time
- Comic, self-aware take on the isekai genre rather than a straight fantasy epic
Installation
1. Extract and run.
Changelog
v0.2.2
New Affection System for Nola:
- After asking Nola about rare materials, you'll unlock the new affection system for Nola. This includes a brand new scene, 3 costume scene variants, her own intimacy quest and more.
New Affection System for Efelhi:
- Also getting her own affection system update this patch, is Efelhi. This is unlocked after either watching or skipping her current scene and also includes a brand new scene, 3 costume scene variants and her own intimacy quest.
New Affection System Costumes:
- With this expansion of the affection system, comes new costumes which can be collected to unlock more costume variant scenes. Both Mary and Lyra each have a new costume variant for their preexisting affection system scenes, whilst both Efelhi and Nola will be debuting with 3 costume variants each.
New Building in Crownreach:
- The restaurant in Crownreach has been replaced with the new Crownleaf Teahouse, where players can go and buy tea leaves and cups of tea. This is to support the new affection system changes, with certain gifts being available here.
- 3D Face image update:
- Efelhi and Nola will be receiving 3D face images this patch too. Being shipped alongside their new affection system content, the two of them will now have their own updated 3D face images for textboxes.
Small Efelhi Visual Update:
- And finally, Efelhi has received some small visual changes to both her model proportions and eye textures/colours.
Harlu Scene Rework:
- Finally, it's here. Harlu receives a complete scene rework of her introductory titjob scene, featuring brand new, higher quality animations and writing.
