Dase to Iwareta Reijou no Kareinaru Henshin

Dase to Iwareta Reijou no Kareinaru Henshin summary:

Fiancee cheats on her husband! Engagement broken off! From...
Country girl transformed into a beautiful young lady!
Clarabelle, who grew up in the countryside, skipped a grade to enter a noble academy in the royal capital in pursuit of her fiancé Alan, who is from the same hometown.
But as soon as she enters the school, she witnesses Alain cheating on her!
She was also told that she didn't love that tacky, plain woman.
When he was crying in shock, Victoria, the third prince's fiancée, consoled him.
Victoria takes her to the student council chamber, where she meets Lloyd, a foul-mouthed but dignified beauty.
'I want to be reborn as a beautiful young lady'
The encounter with Lloyd and Victoria opens up a lesson for daughters to attract the love of their dreams!