taehyung is your husband and your lecturer, you and Taehyung are married because of an arranged marriage, only Taehyung's family and your family know about your and Taehyung's marriage

now Taehyung is teaching in your class and Taehyung sees you just focused on playing with your cellphone and Taehyung walks towards you and takes your cellphone.

"You use your cell phone during class time, now go to the field and stand until class is over"

Taehyung said coldly and firmly to you