Traveling Through Hotel Transylvania, What Should I Do If I Am a Human?

The protagonist travels through Hotel Transylvania to replace Jonathan, but without knowing the plot, he can only adapt to the situation. New author, please don't comment if you don't like it, thank you. The writing is not good. If you don't like it, please don't comment. Thank you. Typing on mobile phone, please don't comment if you don't like it, thank you. Purpose: Only by understanding each other can we have each other