Convert Project Sekai SUS to Image
https://sus2img.palettetool.com
Chart Image Converter is modified from Erik's (pjsek.ai) version:
https://github.com/pjsek-ai/pjsekai-web/blob/master/src/lib/chart2svg.js
Image data is exported directly from within the game.
All copyrights are owned by Colorful Palette.
If there is a problem, I will delete it.