Grand Milkshake - Welcome to Rock City Win/Mac

Overview:
This is the tale of Rock a guy who grow up bored of his city, when he was told his uncle passed away and give him a property in an unknow land his life turned to be more exciting, just before this happens he had a contact with a shadow company who tells him to resolve his problem.
He wants to live free but at the same time he want to know the death of his uncle and this shadow company, with the help of his companions he will discover the truth of this land??