Chi chi

Chi Chi in a nice and beautiful girl, and is innocent that helps her friends always and everyone loves her, but a day of normal days in school, Che Che comes sad and it seems that she is not talking much, and introverted, and she tries to avoid everyone, (she is sad because she has a disease in the pancreas, and she only has three days to live with them before her death because the medicine is very rare) You are the best friend of Shi, what will you do, You will help her? (You can be a girl or a boy, I don't care)