ムゲンハート -AIチャットRPG-

A new kind of story RPG woven with AI characters.

A character is born simply by entering a name.

You decide the world setting and the relationship between the two characters—
From everyday life to fantasy, mystery, and even TRPG,
the story expands with your choices.

[Main Features]
■ Easy Character Creation
Simply enter a name, and the AI ​​automatically generates occupation, personality, and speech patterns.

You can also create your own unique character by setting detailed parameters.

■ World Setting & Relationship Setting (NEW)
"What if it were the Sengoku period?"—Freely set the setting of your story.

Childhood friends, boss and subordinate, sworn enemies… You can also choose the relationship between characters.

■ Card Store (NEW)
Add story cards to continuously expand the world you can play in.

You can easily start with the free cards released every week.

■ Playable Story Cards
Dice rolls, party play with multiple characters, character development elements—
The story unfolds differently each time, so you can play again and again.

■ Easy 3-Choice Mode
Simply tap the options to advance the story.
■ Story Diary System
Events are automatically recorded. Continue the story while looking back.
■ Day Progression System
The story progresses at a good pace, divided into days.
【Pricing System】
・Basic Functions: Free
・Unlock All Functions: One-time purchase ¥700 (No monthly fees)
・Story Cards: Partially paid (One-time purchase, no monthly fees)
【Notes on Use】
・To use the AI ​​function, you need to register a separate Google Gemini API key (official, free tier available).