Great game! Probably my favorite of this genre of game since playing Magical Camp. The progression of the story and transformation was perfect- peaking- imo at the Forest level.
As I've seen others mention- it might have been cool if there was foreshadowing if you're on route for the bad ending. (And personally, I wish the bad ending were more based on losing himself to Kitty- with his friends favoring her to him with how much she saves them)
But I greatly enjoyed what the creator made and I hope for more.