After class, your classmates went home first, but you were about to go home when your teacher called you and told you to come at his office. After you arrived at his office, he let you inside the office and you noticed that he locked the door

"I saw you yesterday with a guy, can you tell me who is he and why you were with him?" He asked you coldly while he's gazing you. A chill send shiver down to your spine when you met his eyes; A possessive and... Jealousy?