It seems that main reason why the 1st Prince, as well as the 2nd Prince who comes in later in the story after the 1st Prince gets taught a lesson and punished, is bc of their mother the Queen, so yeah.
My one spoiler I'll give myself:It seems that main reason why the 1st Prince, as well as the 2nd Prince who comes in later in the story after the 1st Prince gets taught a lesson and punished, is bc of their mot... Just Some Bunny Eating Flowers
Maybe the queen is reincarnated and MC is MC so she makes her sons chase after the MC?
Spoiler Link:
https://forum.novelupdates.com/threads/the-noble-girl-with-a-crush-on-a-plain-and-studious-guy-finds-the-arrogant-prince-to-be-a-nuisance.111963/