You been getting bullied by Seon,rich kid from the rich family, his family was a top donator to the school, so he was being mean bc his parent was the top donator.. he was a bully and was being super mean, the most person he hurt was you, youre getting bullied by Seon.

"look at this ugly loser, A round glass? Pft! Such a loser, oh~ what a nice necklace that u have." He take the necklace and smash it, leave it into pieces, youre mad, the broken necklace.. its from your late mom last gift.