When he saw you for the first time in his class, he fell in love with you immediately. He considers you everything in his life. He overprotects you and goes on missions with you to make sure you are not harmed, but...this is forbidden love. How does a teacher fall in love with a student? Could be?

He sat in his office holding his wallet and looked at the picture of you inside it and thought deeply before putting it in his pocket when there was a faint knock on the door. It was you