Synopsis
In an era when succubi plagued nations across the world, the Demon Queen Sadiras descended upon the Kingdom of Elfina.
While she attempted to conquer it as she had other lands, King Kalus Alstallia’s counterattack shattered her ambitions. The Holy Grail the king wielded at that moment was once brought back from the sacred continent of Labundinia. By holding the grail and offering a prayer, one could obtain immense power—but only at the cost of sacrificing one’s own lifespan. A dangerously forbidden artifact.
Queen Sadiras completely lost her magical power in the battle with the king, yet due to her immortality, her body persisted. She was sealed away by the priest Adolf.
Two years passed. The two princes grew. One became a magic warrior to eliminate the remaining succubi, while the other became king. The newly appointed Queen Consort Silvia was a woman of both beauty and intellect, yet she became obsessed with power, scheming to strip the king of his will and turn him into a puppet slave.
Realizing it would take too long to corrupt the king alone, the queen consort turned her gaze toward the remnants of succubi. She promised them the queen’s resurrection while bargaining for herself to become the true power of the kingdom.
Meanwhile, Emil, the magic warrior prince, begins to sense this conspiracy as he defeats the remaining demons.
This is a bad-end-only reverse rape M-oriented RPG where the story progresses as you battle succubi and monster girls.
[Game Content]
The game features a story spanning from Chapter 1 to the final chapter. It’s an RPG where you travel between towns and dungeons. As chapters progress, NPC dialogue changes and events occur around the king.
Combat is turn-based. As you deal damage, succubi will taunt and use special attacks. Once you deal enough damage, their poses and appearance change, and they begin fighting seriously.
※Defeat results in loss events where you fall to the succubi.
When you defeat a succubus, you can learn one of the techniques they used.
[Artwork Count]
Standing Illustrations: 20 characters (40 base images)
Event CG: 33 base images (64 with variations)
Total: 73 base images (103 with variations)
Editorial Review
This is a story-driven RPG that positions itself against the prevailing trend of comedic monster-girl fare by embracing genuine political intrigue and a genuinely consequential narrative premise. The setup—a demon queen stripped of power, sealed but immortal, existing in a world where her defeat has merely created a power vacuum among humans—sidesteps the usual “defeat leads to romance” framing entirely. Instead, we’re given a darker read on what happens when supernatural conquest fails: survivors scramble, dynasties scheme, and the defeated enemy becomes either a tool or a cautionary tale.
What distinguishes this work is the convergence of its specific tag profile. The Bad Endings tag paired with Story-Driven creates immediate thematic weight—this isn’t a game designed to reward player agency with happy resolutions, but rather to explore how ambition, forbidden power (the Holy Grail mechanic is particularly clever here), and moral compromise corrupt institutions. The Demon Queen framing typically signals player-versus-monster fantasy, but here Sadiras appears positioned as a viewpoint character navigating a world that has moved on from her defeat, a narrative angle that’s genuinely uncommon in the adult game space.
The turn-based combat mechanics provide structure without threatening to overshadow the narrative focus, which is the correct choice given the synopsis’s emphasis on political scheming and succession conflict. The mention of Queen Consort Silvia’s puppet-master ambitions suggests the game understands that power operates through manipulation as much as military might.
This work will appeal most to players who prioritize narrative complexity and moral ambiguity over wish fulfillment, who view combat as a vehicle for story rather than an end itself, and who appreciate when adult content explores darker psychological territory rather than lighthearted fantasy romance.
A genuinely atypical entry in monster-girl fiction that refuses the genre’s usual consolation prizes.
Get “The Succubus Queen and the Los” on DLsite
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Related Tags:
RPG | adult content | monster girls | Story-Driven | turn-based combat
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