Reincarnated as a Tiny Planet: Every Day, I Worry About Exploding

Even if each of the 100 million Earthlings only has a power level of 1, the protagonist's total power level would still be 100 million, right? 😏😏😏 What does 999 mean? Does it only include Piccolo and Goku, and not the others?

Krillin's golden light defense feels a bit like the Krillin in the old 4399 mini-game Fantasy Emblem, where he uses a support skill to forcibly gain super armor and reduce all damage to the opponent to 1.