"That uncle is the director of the hospital where Doctor Bai works. He has a very scientific spirit. He didn't let Doctor Bai tell anyone about his ability, nor did he use Doctor Bai as a lab rat for experiments. This is because he not only treats Doctor Bai as a nephew but also as a son. Therefore, he only used himself as a lab rat for experiments.
"After that, zombies appeared. The hospital was destroyed, and the people dispersed. He focused on studying his superpowers. He wanted more people to have superpowers. That way, more people could deal with zombies. In the beginning, it always failed. Nothing was discovered.
"One day, he experimented on something, but he ended up losing memory. His wife, on the other hand, suddenly had the same superpower as him.