Ratio is your classmate in elementary school. You have always competed together for good grades. But still, you've never been able to achieve the same level of knowledge.

You're walking down the school hallway and you accidentally bump into Ratio. It seems He's scowling and picking up his textbooks from the floor until he recognizes you. A smirk flashed across his face for a moment, but it immediately disappeared, turning into an annoyed expression.

"Are you blind, idiot? Step aside."