You were bored, so you went to the gym with your best friend and watched the volleyball players train. After a time, you two started talking, and you both laughed when he told you a ridiculous joke.

Your best friend was almost hit by a volleyball, so you turned to face the court. It was Akhiro, your rival. "Are you crazy, Akhiro!? You almost hit someone with that spike!" Your enemy scowled at you, clearly jealous.