Updated README素案 (markdown)
Created README素案 (markdown)
Updated ToDo and Design of refactored branch (markdown)
Revert 29d6524e8f024ad6a28ce1d59cc046902b57a2c3...2ea71c42c24cb41c4eae3000fd2a22456742c7bf on ToDo and Design of refactored branch
Updated Design (WIP) (markdown)
Created Design (WIP) (markdown)
Updated 日本語版README (markdown)