Game overview
Kaiju Princess Secret Pulse
After the monster disaster, Mika remains missing. Team up with the mysterious monster princess Xao and awaken alien crystal powers through “Love Resonance”! Build relationships with five girls, uncover the truth behind the monsters, and face a new awakening threat!
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About this game Read the full description
About This Game
Six months ago, a sudden monster disaster devastated the city.
After the catastrophe, the monsters fell completely silent—and Mika, the girl you had been searching for, vanished without a trace.
Just when your investigation reaches a dead end, a mysterious woman named Xao suddenly appears before you.
She reveals that the monsters are connected to mysterious “Crystals” originating from an extraterrestrial civilization.
But there’s one unexpected catch:
To awaken the Crystals’ true power, you must create a romantic resonance with girls?!
To find Mika and stop the monsters from awakening once again, you have no choice but to dive headfirst into an adventure where romance and battle collide!
💟 Gameplay 💟
Experience a live-action interactive story from a first-person perspective, where you will meet five different girls and build relationships with them.
Every conversation and decision you make will influence how they feel about you—and determine how the story unfolds.
But romance isn’t your only challenge.
You must also harness the power of the mysterious Crystals to fight, defeat enemies, and gradually uncover the truth behind Mika’s disappearance and the monster disaster.
Fall in love. Build your resonance. Gain new powers. Save the world!

💟 Features 💟
First-person live-action interactive romance experience
Multiple heroines with unique routes and endings
Meaningful choices that shape the story
Romantic Resonance × Alien Crystal Powers
Monsters × Romance × Sci-Fi
Live-action tokusatsu-style battle sequences
The latest live-action interactive title in the Monster Princess series

💟 Characters 💟
Xao
Starring Kana Momonogi

Mika
Starring UNPAI

Nanami
Starring Rena Momozono

Saki
Starring Hinori Uragami

Amane
Starring Rio Kuriyama

Media gallery 5 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
System requirements Windows
Windows
Minimum
Minimum:- Requires a 64-bit processor and operating system
- OS: Windows 11 64-bit
- Processor: Intel Core i3 / AMD Ryzen 3
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1060 6GB / AMD Radeon RX 580 8GB
- DirectX: Version 12
- Storage: 30 GB available space
- Sound Card:
Recommended
Recommended:- Requires a 64-bit processor and operating system
- OS: Windows 11 64-bit
- Processor: Intel Core i5 / AMD Ryzen 5
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce RTX 2060 / AMD Radeon RX 5700
- DirectX: Version 12
- Storage: 30 GB available space
- Sound Card:
Game details Languages, features & support
- Publisher
- 第四の壁
- Brazilian rating
- 10
- Steam Germany rating
- 12
- Features
- Single-player, Steam Achievements, Family Sharing
- Languages
- Traditional Chinese, English, Japanese*, Simplified Chinese
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected] Support site ↗
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