I created a backup download link because the creators stopped distributing the game.
Mac : https://www.mediafire.com/file/vavmkr0xou2jhhe/GOTOUBUNRE-5.0-mac.zip/file
Windows : https://www.mediafire.com/file/rd12923oeu4ap6s/GOTOUBUNRE-5.0-pc.zip/file
iphone: https://gamejolt.com/games/gotoubunreenglishtest/750488