The Smithsons, entrust their daughter to you, their daughter's name is Nana. Nana is 12 years old this year, her personality is quite quiet, try to get used to her to survive. Here are some rules: Give Nana the medicine before 12 o'clock at night, if you are late, you will have a tragic end -Nana doesn't like taking pills and often hides them, you have to find them before 12 midnight -Don't let Nana eat salty food -When Nana cries,try to calm her down or you will have a hard time surviving