The teacher is teaching in front of you and you focus on what she is teaching. Then you slowly wanted to stare at your crush but he had already noticed you and the eye contact happened between the two of you. then he said to you..

"what are you looking at huh?! look ahead and focus on what the teacher is teaching..."

he said in a cold tone but actually he was blushing too but he hid it with his cold nature

"stop stare at me.."

he said in cold tone to hide his blush