itch.io

Maybe experimental ones pair well with High-tech Hypercamo skin, while normal parts go better with regular Hypercamo skin. "Robot texture" is where the difference lies.

I think you need to purchase it at https://elzeefantasy.itch.io/tunesc, which is written at the beginning of Elzee's  itchio page of this game.

I'd like to ask what's wrong with the steam version?  Did something happen? It's cheaper there in my region.