Yan Junze wiped his mouth with a paper towel he grabbed from the table and cleaned his hands before standing up.
"You guys sit tight; stay together, I'm going to the bathroom," he said.
Everyone watched him enter the bathroom, after which Yan Junze locked the door from the inside, and no sound was heard.
After he was done, he didn't leave the bathroom immediately. If the previous assumption was correct—that Si Nannan and Si Dehua had eaten the pizza and then encountered the strangeness—then having eaten the pizza himself, he should also encounter the strangeness now.
All that remained was to see when it would show up; most importantly, he needed a private space to make the phenomenon manifest quickly.
Thus, Yan Junze remained standing in the bathroom, facing the mirror, occasionally checking his phone for time, and from time to time, through the mirror, checking behind himself.
