Don't worry, for me is better if you buy here
But those who were saying "wait on Steam since there could be more people who like card games there etc etc"... NOPE!
The game is not even in the popular new releases, while my last two were there. Seems like that making an indie game with price >$9.99 and that doesn't have a "catchy theme" (but I would say most of cases a stupid idea) won't be popular.
It's the same thing as youtube. You make a serious video = ignored. You make a video about funny cats = 500,000 views
Not sure if the problem is price, the art style, or the card game (but people can play as VN, so...).