MySekaiStoryteller

A fan story editor for Project SEKAI — Live2D, voices, effects, and more.

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MySekaiStoryteller lets you build fan stories using Live2D models, backgrounds, voices, transitions, and visual effects — then preview them in real time. Available on desktop and Android.

This project is in beta. Back up your project data before upgrading.

Features

• Compose stories from snippets: dialogue, scene changes, motions, effects, and more
• Live2D support — works with models from multiple games, not just Project SEKAI
• Parallel snippets for running animations simultaneously
• Drag-and-drop snippet ordering
• Lip-sync support
• Real-time preview in the editor; full playback via a dedicated player window

Download

Get the latest release from GitHub Releases.

Community

• Discord: Join the server
• QQ group: 753850881

Development

Requirements: Node.js 22, pnpm 10, Rust, and the Tauri v2 system dependencies for your platform.

pnpm install
pnpm tauri dev

Common checks:

pnpm typecheck
pnpm lint
pnpm build
cd src-tauri && cargo check

Build native installers:

pnpm tauri build

Android

Requires Android SDK/NDK, JDK, and the Rust Android targets.

# First-time setup (skip if gen/android already exists)
pnpm android:init

# Run on a device or emulator
pnpm android:dev

# Production APK/AAB
pnpm tauri android build --apk --target aarch64

Notes:

• The first build downloads Gradle and Android dependencies from the official Google Maven and Maven Central repositories. On restricted networks, set MSS_USE_ALIYUN_MAVEN=true to opt into the Aliyun Maven mirrors.
• Navigation is handled in-app via #/editor/:project and #/player/:project — no multi-window.
• The player uses automatic timeline playback, no tap-to-advance.
• To preview the mobile shell in a desktop browser: localStorage.setItem('mss.mobileShell','1') or append ?mobileShell=1.

Acknowledgements

• Sekai-World/sekai-viewer
• lezzthanthree/SEKAI-Stories
• Everyone who tests, contributes, and creates stories with MySekaiStoryteller

Licenses

• Source code: GNU GPL v3.0
• Project-owned materials and project outputs: POMOLA

Support

If you'd like to support development, you can do so on Afdian. Either way, thanks for being here.