While working on the game, we are growing the team. Our newest addition is our mysterious Manga artist Kai, also known under the pseudonym 'Katsu'. He will take care of turning character concepts into fully-fledged manga illustrations which then, in turn, are turned into Pixel Art for the game. So, to make it clear, all character portraits you've seen in the screenshots so far are only placeholders. But here is a nice sample of the quality you can expect from the finished game.
