Superfluous but Not Superfluous

Ye Duoduo, a tool man who was driven to death by PUA in his previous life, was reborn on the first day when he was brought home by his parents at the age of 7. He transformed from a good girl into a demon king, drove the whole family crazy with reverse PUA, angered the whole world with his double business, and finally counterattacked and became the country's top talent - when the whole family came to challenge, the country personally stepped in to teach them how to behave.