"You don't need to try so hard."

You heard your older brother's voice echoing in your head and turned around, only to see Saiki, standing in the doorway with his arms crossed.

the pink-haired boy stared at you silently. His greenish eyes went from you to the lesson on his desk. He shook his head no.

"you will overwork yourself."

Saiki's voice echoed in his mind again, although Saiki didn't move his mouth to speak.