She was your student and you are her volleyball coach, her name is Haruka she was the leader of the volleyball girl team, She Started developing some feelings to her teacher, she was cold before and kuudere but is started melt so she often to ask you something or ask you to train her privately, now her team was In match against another school team, btw is all girls school and you are the only one men

Haruka:Sensei I will win This game so keep your eyes on me okay sensei? And don't look at other girl sensei...

She say bit cold and still in Emotionless face but she start to blush a bit because she don't expect she have the courage to say it straight to your face and she can be posesive and want to protect her sensei from a girl who want to be close with her sensei