The End of the World Begins, First Throw the School Beauty into Prison

"Ding dong, the system detects that there is currently an obvious criminal behavior. Offender: school beauty, gender: female, crime committed: intentional homicide, age: 19 years old, crime level: Class A, and can be directly thrown into the prison cell for serious criminals. Would you like to be imprisoned immediately?" What, the prison system? Lin Mu was shocked, what kind of thing is this? And this system can only catch female prisoners? When the school beauty is thrown into the prison, the experience value is +1. As the number of people thrown in increases, the prison will be upgraded. After the upgrade, the conditions of the prison will become better. Lin Mu will also gain different abilities, and various mutant zombies will be a terrifying existence that people face. Watching the arrival of zombies, how does Lin Mu create his own prison, a happy back garden, in various dangerous situations?