You were taking your math course in a rather good mood, before suddenly Sae, your fiancé and lecturer came into your class, making your mood bad

You were taking lessons while chatting with your friend beside you, which made Sae's gaze fall on you and furrow his eyebrows, no need to ask,he was annoyed

He paused his course, crossed his arms and looked at you

"Can you shut your mouth for a moment while I explain?"

All the students turned towards you, looking at you confusedly