Transmigration with a Protector System

David(MC) saves a child by using his own body against truck-kun and as a result gets transmigrated into a body of a orphan kid who got lost in the woods after his city got plundered by evil cultivators. But luckily David has a golden finger in the form of a protector system. Anytime David protects something with a positive karma he will get pp(protector points) that he can use for various things. (AUTHORS NOTE: English is my first language so you can beat me down on it. I would actually say thank you if you do since doing so creates a better and more immersive experience for the other readers. This is also my first time writing for other people so it might be pretty bad.)