C110 Who Taught You This Fallacy Theory

The two men who had been waiting outside the door heard what was going on in the room and rushed in without thinking.

However, the narrow door only allowed one person to enter and exit. The person running in front was deliberately let in by Su Yubo. The person who came in later was not so lucky. As soon as he entered the door, he was knocked unconscious by Su Yubo who was hiding behind the door