After turning into a white tiger, he roamed the wild forests

Story of: After turning into a white tiger, he roamed the wild forests(No female protagonist, strange beasts, unchanged people, daily life) Cheng Yan turned into a white tiger, had a system as a nanny, strolled around every day, and lived a very carefree life. However, as time went by, he discovered that the world seemed different from what he had thought, and it was very weird.