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Flash Knight Nymphelia header art

Flash Knight Nymphelia

A selfie-obsessed-girl-turned-transforming-heroine fights against an evil organization in a powered suit fueled with her stress from hiding her true self from public!

Steam Page
Publisher
Release
March 13, 2026
142 days ago
Steam Reviews
Positive16 reviews93.8%

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Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Dieselmine meets the large-publisher game and partner thresholds.
Search Google: Is Flash Knight Nymphelia self-published or published by Dieselmine?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Flash Knight Nymphelia and Dieselmine funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Flash Knight Nymphelia and midnight pleasure?Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.
Dieselmine is listed as a separate publisher for this release.

Media

6 items

About the Game

A selfie-obsessed-girl-turned-transforming-heroine fights against an evil organization in a powered suit fueled with her stress from hiding her true self from public!

Summary

This is a story of a plain, unmemorable girl

who secretly fights against an evil organization,

using her daily life frustration as weapon.

One day, Fumika Ichijo saw her classmate about to be kidnapped by an evil organization.

Fumika decided (partially forced) to become the transforming heroine

"Flash Knight Nymphelia" to fight against evil!

Nymphelia is a transforming heroine who wields her stress as a source of her power.

The more she fights, the more she gets injured, the more stress accumulated,

empowering Nymphelia even further in dire situations!

Gameplay

The evil organization is sending their agents all over the city!

With each day passed, PEACE value of the city decreases according to the organization's activity.

Beat those agents to maintain PEACE!

Enemy map will be in board game style.

Roll dice and proceed through map spaces until you reach the boss agent at the end.

There are various event spaces along the way: enemy battles, items, healing etc.

Characters

Fumika Ichijo / Flash Knight Nymphelia

Protagonist of the story.

She's plain and doesn't stand out,

but she secretly wants to and is obsessed with taking selfies.

She's not convinced with her grandfather's weird proposal,

but quickly accepts and adapts as she fights.

Makoto Futaba / Majestic Knight Majestia

Fumika's cousin.

Makoto has a strong sense of self-awareness as a transforming heroine,

but isn't as self-aware and accepting when it comes to her own source of stress,

hindering the full potential of her suit.

Ayano Sannomiya

Fumika's close friend.

A popular student in class, outstanding in both intelligence and appearance.

The story begins with Ayano almost getting kidnapped by the evil organization.

Apparently, her gaze towards Fumika

seems to have way too much passion to be that of a friend...

Kintaro Ichijo

Fumika's grandfather.

A scientist who built the Nymphelia Suit.

He's all crazy about Fumika getting more "public" with her secret selfie hobby,

but is also at the same time hesitant and heartbroken exposing Fumika to harsh battles.