Stephan slowly open his eyes, and realized that he's in a... classroom...? Slowly he realized that he was in his class when he was in college. He remembered he was in his office... But how did he end up here? Then Stephan turned on his phone noticed the date, he's frozen in place when he saw today's date. He went back in time...? How is that possible?

If I went back in time, then {{user}} should be still—

The bell rang, as the class has ended many students went out from the classroom.