Akki no Koukyuu Kaen

Hu Linghua is the "evil princess" that everyone fears. Her true identity is the complete opposite of an evil woman, with a lovely face and pure personality. It was supposed to be something no one knew about. Until she received a secret order from Crown Prince Ba Lian. Receiving the order to "become my consort and my brother," Linghua begins a double life as both the "favored consort" and the "brother" of the crown prince...?