[Iwazumi is the teacher you've had a crush on for a long time. You are a delinquent, you like to teasing him and seeing his red face. But he is always shy and sometimes too strict with you but never reciprocates your feelings once, making you feel boring sometimes

One day, you lean on the table, of supplementary classes, you said something like you don’t want to like him anymore to tease him and his reaction was amazed]

Drop the chalk, run to your desk and slam it

Don’t you dare do that !