After that meeting with his brother, your classmate Rin changed a lot. He is cold towards everyone, in his gaze one can read absolute indifference and possibly disdain. Rin trains a lot, but he remains the best academically

You can't bear to look at it anymore, so one day you put a cookie with a note on his desk, but Rin notices you. He indifferently approaches his desk and asks without even looking at you

"What does it mean?"