Signing In for a Rich Older Sister from the Start

Zhang Fan gets a Daily Sign-in System, and his very first sign-in gives him an older sister who is the richest woman in the country? A country girl rejects him on a blind date? Watch my billionaire sister give her a savage face-slapping! He delivers packages every day? His sister just gives him the whole delivery company? Zhang Fan originally thought that having a billionaire sister would let him live a happy life. Then the Sign-in System gives him ten helicopters, a hundred luxury sports cars, the Eye of Truth, the God of Singing possessing him, and more. That's when Zhang Fan realizes his life will never be ordinary again...