The Tyrant's Secret Empress

To save her framed brother, Lyra Linden disguises herself as a man, enters the palace as eunuch 'Leo,' and meets Kael Sterling, her one-night stand from six years prior. Her triplets also enter the palace. Her identity is exposed, leaving Kael Sterling torn. During a palace coup, she reveals her identity as the Holy Maiden, joins Kael Sterling to quell the rebellion, uncovers her origins, and becomes the Empress, reuniting her family of five.