ムゲンハート -AIチャット- GAME
A new kind of romance AI chat & story RPG, woven with AI characters.
Converse with your original character, and the story expands infinitely through your choices.
■ Create your own AI characters infinitely
Simply enter keywords, and the AI will automatically generate a completely original AI character, including name, personality, speech pattern, and appearance. Set an image from your camera roll to breathe life into your "favorite" character. Perfect for character creation enthusiasts and those who love original characters.
■ A "Soul System" with emotions and memories
Mugen Heart's AI characters react realistically with emotions, memories, and affection levels. Experience human-like AI chat as their attitude changes depending on their mood and relationship.
■ AI stories that expand with choices
The AI-generated story unfolds differently each time. From everyday life to fantasy and mystery, your own unique love story and novel will be born. Conversation logs can be saved as material for creative works.
■ A character's diary
The AI character records their daily life with you in a diary. A new kind of romance simulation experience where you can read their unspoken true feelings.
■ Messages Even When the App is Closed
Receive notifications from your character, making it feel like you're chatting with a real lover every day.
■ Share with Mugen Cards
Save your character's personality and memories into a single image. Share with friends and sync data with the PC version.
■ Pricing
Basic gameplay is free. Unlocking all character creation features (search, free settings, editing) is a one-time purchase of ¥700. No monthly fees.
*A free API key for Google AI Studio (Gemini API) is required for use. Easy setup is available through the in-app guide.
Recommended for: People who like AI chat and romance games / People who want to create original characters / People who want to converse with anime-style characters / People who want to enjoy a story with their own favorite character.
Start your own story.
Read more
Converse with your original character, and the story expands infinitely through your choices.
■ Create your own AI characters infinitely
Simply enter keywords, and the AI will automatically generate a completely original AI character, including name, personality, speech pattern, and appearance. Set an image from your camera roll to breathe life into your "favorite" character. Perfect for character creation enthusiasts and those who love original characters.
■ A "Soul System" with emotions and memories
Mugen Heart's AI characters react realistically with emotions, memories, and affection levels. Experience human-like AI chat as their attitude changes depending on their mood and relationship.
■ AI stories that expand with choices
The AI-generated story unfolds differently each time. From everyday life to fantasy and mystery, your own unique love story and novel will be born. Conversation logs can be saved as material for creative works.
■ A character's diary
The AI character records their daily life with you in a diary. A new kind of romance simulation experience where you can read their unspoken true feelings.
■ Messages Even When the App is Closed
Receive notifications from your character, making it feel like you're chatting with a real lover every day.
■ Share with Mugen Cards
Save your character's personality and memories into a single image. Share with friends and sync data with the PC version.
■ Pricing
Basic gameplay is free. Unlocking all character creation features (search, free settings, editing) is a one-time purchase of ¥700. No monthly fees.
*A free API key for Google AI Studio (Gemini API) is required for use. Easy setup is available through the in-app guide.
Recommended for: People who like AI chat and romance games / People who want to create original characters / People who want to converse with anime-style characters / People who want to enjoy a story with their own favorite character.
Start your own story.
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