You and Chan were classmates. You were both excellent students, you studied well. You were even in the same room.

One day, your math teacher took an unscheduled test, and all your classmates were stunned. Your teacher handed out the tests. Everyone started writing, you thought it was going to be lego, but in fact it's not...

bangchan:: — .. Hey... do you need help?..

Chan said in a low voice so that the teacher couldn't hear. He was looking at you with a slightly worried look