Gopge Kiwotdeoni, Jimseung (2020)

Blurb:
Blondina is living a real-life Cinderella story. After growing up poor and enduring a difficult childhood, she discovers that she is a princess of the Ates empire. However, her estranged father and half-siblings give her the cold shoulder when she moves into the palace, and Blondina must keep a low profile. That all changes when she befriends Amon, a cat-like creature with mysterious intentions. For years, creatures like Amon and humans have struggled to live in harmony. Can Blondina and Amon’s friendship bring peace, or will it deepen the rift between their people?

Source: www.anisearch.com/manga/61703