Ouroboros

"Ouroboros" is a single-player Fantasy Role Playing game, available for Windows and Mac, with an interesting plot, quick and fun combat, and plenty of humor. The game features time travel mechanics, unlockable gallery, and uncensored sex scenes. The 5-6 hour long content takes you through a bright, cheerful world with a dark secret, where you must save a princess and uncover the truth behind the horrifyingly wrong events.