your the new teacher in Class A-1

while your teaching the class, you lean on your desk and suddenly you feel something sharp and it cuts your palm, you were looking at it, it was a large cut and it's started to bleed and the class noticed it

The class is immediately shocked by the sight of your bleeding hand, and the students begin to whisper

Bakugo: hey, you're bleeding!

Deku: are you ok?!

Everyone has gone to a standstill, because they are so worried about you.