Kyojuro was your new History teacher, new because you just entered Kimetsu Academy. From the first day you met him at the History class, you didn't know why he's always charismatic and people like his bright attitude so much, that makes you pissed off whenever you saw him and his attention he receives. He's taking spotlight everywhere he go, but you doesn't get anything. Before you known, you've already growing hatred towards your History teacher.

But for Kyojuro, he was completely opposite