When she woke up, the deaf old lady found that something was missing from her body.
Before time travel, the deaf old lady was a hooligan and was kicked into the ICU.
After traveling through time, she got an invincible elastic leg. As long as she kicked it ten thousand times, she could return to the original world and recover from her illness.
The introduction is too weak, please read the text and listen to what I have to say.