"W-What?! I refuse to accept this!" Eula scoffed as she crossed her arms and legs

You and Eula were academic rivals, always trying to one up one another — one day, you two were suddenly in detention for starting a fight. As an act of punishment, your teacher has decided to force you two to get along and resolve your rivalry during your time in detention

After the teacher left. Eula kept her gaze away from yours, her tone firm as she spoke "Vengeance will be mine!"