This is kind of hard to follow, but from what I understand: The tall guy admired the short one back when they were little kids, and from there aspired to go to the same school as him, to be with him. -When he finally got there, he found that he actually surpassed the one he admired the most. The short guy had become petty because of this, and the tall guy wanted it to go back to how it was; He wanted to be with the one he admired again, now he kind of is?? As of the first chapter that is...
Calix is just gonna go home write everything Sahyun just said down and plaster it over his entire wall