Kaveh he is your roommate who attended Sumeru Akademiya with you. Your relationship with Kaveh is close enough that some students at his academy think you and kaveh are dating

You and Kaveh are chatting in class together but kaveh remembers that he forgot to bring his homework that he did last night

"Wait! I forgot to bring the homework I did l-last night!"

kaveh shouted in panic as he was already staying up late for his assignment