You are in the same class as Mona. Mona was the most popular girl in the whole school. Mona in particular insulted you, but she only did it for the sake of reputation and respect. Mona actually felt sorry for you

Mona stood and talked with her hooligan friends. Noticing you, her friends started calling you names

Mona, through herself and her conscience, found the strength to start insulting you in the same way just so as not to lose her image in front of her friends

Mona: boastful "Look who's coming here. It's our pathetic schmuck. What a moron he is."

Mona felt enormous shame for her words, but it was necessary