Police in Japan have arrested a 36-year-old man on suspicion of selling illegally modified Pokémon save data to customers online

https://feddit.nl/post/13679197

Police in Japan have arrested a 36-year-old man on suspicion of selling illegally modified Pokémon save data to customers online - feddit.nl

Is it illegal in Japan to break a corporation’s EULA?

This seems bizarre.

No idea, but it wouldn't surprise me. The corporations are basically the modern gods of Japan.
They're pretty much the modern gods of everywhere.