As for the 'supernatural situation' in the classroom, the teacher simply vanished in front of everyone.
The students in the classroom might be somewhat horrified, but there was no frantic scrambling.
Instead, they sat in their seats with gloomy eyes, engaged in discussion… as if such events were a common occurrence.
"My father has already arranged for our relocation, we're leaving for the southwest tomorrow."
"Our family is still applying for the relocation permit… I don't want to stay here for another day."
Han Dong quietly listened to the students' conversations, collecting useful information.
He waited for the first person to leave the classroom, then indicated to his team of three to blend in with the departing crowd and leave together.
Caution is crucial, especially at the beginning of a game.
If the identities of the three are known by another team from the start, there's a high chance they will be manipulated during the subsequent events.