Konyakusha ni Kirawareteiru You na node Hanaretemitara, Nazeka Kougi Saremashita

Clarissa, the daughter of the Marquis of Merriam, is told by her fiancé Ryan that she is ugly and should hide her face with bangs. She is scorned in high society and referred to as the "Cinderella." Clarissa feels she has no place in the Marquis household where her stepmother lives, and she lacks self-confidence. But one day, while attending a party with Ryan, she meets a young man. A few days later, for some reason, she is summoned to the royal castle by the first prince, Lucas...!?

(Source: Kadokawa, translated)