The Demon King: Harem

The Demon King: Harem

KAWAGUCHI · July 23, 2026 · RPG, Nudity, Anime, JRPG, Turn-Based Combat

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PC
Very Positive92% · 72 📉 Recent reviews down 82%4playing now
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No store is currently selling The Demon King: Harem. It released on July 23, 2026 and was developed by KAWAGUCHI. We keep tracking it across every store we cover, so set an alert below and you will know the moment it is on sale again.

Screenshots

About The Demon King: Harem

【Story Background】

The protagonist is unexpectedly transported to a fantasy world,and possesses the body of the Demon King, forced to handle his daily affairs.One day, the Goblin Queen reports to the Demon King,that the goblin tribe has been attacked by the human empire.Players must help the goblin tribe uncover the truth and repel the invading human army.Thus begins an adventure in this other world.

【Battle System】

Battles are conducted using traditional JRPG turn-based combat. Experience is gained during battles, and accumulating experience allows for leveling up and automatically increasing attributes.Battles also drop key materials that advance the main storyline.(For example, to help the goblins collect weapons for battle, you must defeat the Dwarf Ghost.)

【Map】

Demon King's CastleGoblin TribeBlack Rock Fortress

【Battle Companions】

Goblin Queen

The current description only shows the content of the upcoming demo. More content will be released later, so please add it to your wishlist. Thank you so much!

The Demon King: Harem — game info

Platforms
Windows, macOS
Steam Deck
Verified
Player modes
Single-player
Controller
Partial controller support
PC Game Pass
Not included

DLC & expansions

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Not recommended Aug 3, 2026
Sex scenes are well animated, and some of the monstergirl are cute, but everything else is just a very linear game. 0 challenge, no customisation options, but you still have to play the battles. Also i'm not a fan of the "i have godlike powers so i can be a terrible person" trope. Are men IRL really that bad that they would rape prisoner of war if they could (I know the statson that, it's a a rethorical question). On that note, devs, please tag your games appropriately FFS.
5 found this helpful
Not recommended Jul 29, 2026
i dont know what to do i cant get past the starting section so cant really tell you if its good or not
2 found this helpful
Recommended Aug 31, 2026
The Demon King: Harem approaches the familiar transported-to-another-world fantasy from the perspective of someone suddenly given an extraordinary amount of power and responsibility. Instead of arriving as a conventional wandering hero, the protagonist awakens in the body of a Demon King and inherits everything that comes with the position. The setup quickly establishes a mixture of fantasy adventure, relationship building, kingdom restoration, and traditional role-playing mechanics. Developed and published by KAWAGUCHI, it is clearly aimed at an adult audience, but there is enough RPG structure surrounding its mature themes to make progression about more than simply unlocking romantic encounters. The central conflict begins when the Goblin Queen reports that her people are being attacked by the human empire. This gives the newly awakened Demon King an immediate reason to become involved in the affairs of the realm. What follows gradually expands into a broader journey involving humans, monsters, adventurers, supernatural creatures, and several factions with their own circumstances. Situations involving a captured royal family, harpies, stranded adventurer sisters, and a dangerous…
1 found this helpful
Recommended Sep 14, 2026
Simple and to the point. A short sweet power fantasy adequate for the price. I suppose I did hope it would be a little more perverted for the premise, but for a post-2025 adult Steam game, it'll suffice.
Recommended Aug 2, 2026
A fun power fantasy game that has some funny sides to it only thing i wish was different with it was that the party members stayed with you since that feels more like gathering a harem but over all a good game with nice art work that will give you 4-6 hours of fun.
Recommended Jul 28, 2026
godd

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