In My Rebirth, I Really Don't Want to Show Off.

Where is this? Zhang Yu, who came from a poor family but had an excellent IQ, woke up and felt around, and found that he was actually on a soft big bed. He stood up and looked out the window. Outside was a manor. He felt very incredible. Could it be... Am I reborn? Before Zhang Yu could think about it, he heard a gentle voice coming from outside: "Master, it's time to get up and have breakfast!"...