i read this a while ago and i cant remember the name of it. the story is about a girl who is rejected by the emperor or king because of her portrait. she goes to work as an artist i think at the palace, where she is working under the first prince, who isnt on the throne because of illness. the mc's father is arrested for treason i think and the last i read, there was a war starting. i think it was a manwha. if anyone can help me find this i would be so grateful!

Wo zai hougong dang ju ju

thank you so much! this is it!!