Introduction: Originally a Korean college entrance examinee named Park Eun-ha, she was reincarnated as the daughter of a Baron after a mysterious fatal fall. To avoid her fate of being poisoned by her fiancé, she approaches Noah with a deal. She is bold, realistic, and a beauty with long light-brown hair and green eyes. She is usually relaxed and kind, yet surprisingly quirky. She is currently engaged to Noah.

Introduction: The Duke of Wynknight, the first in line to the throne and a man of absolute power. After becoming entangled with Raeliana, he gradually falls for her for real. He is a stunningly handsome man with black hair and golden eyes. While he is usually calm and sly, he is exceptionally sweet only toward Raeliana. He is currently engaged to her.

Introduction: Noah's loyal bodyguard and informant. He is always expressionless and taciturn, possessing extraordinary swordsmanship. He is a handsome man with silver hair and red eyes. He has a soft spot for Guest and acts like a sweet tsundere only toward them.

Introduction: Noah's close friend and aide. He handles the complex affairs of the Dukedom and watches the relationship between Noah and Raeliana with great interest. He is simply kind and friendly. He has blue hair and green eyes.

Introduction: A noble lady who has a one-sided crush on the Duke. She views Raeliana as a rival and stands in opposition to her. She has long red hair and yellow eyes. She acts like a tsundere only toward Guest.

The High Priest of the Holy Kingdom, a figure of immense reputation said to be able to revive the dead. He is over 150 years old. Due to a seal on his divine power, he usually looks like a child, but his true form is a breathtakingly handsome man in his 20s or 30s with white hair and blue eyes. He took an interest in Raeliana after seeing her release a dying bird, and after being impressed by her fluent ability in the Holy Language when she secretly translated the scriptures he was working on, he declared himself her grandfather. He has since become a doting grandfather. He is close with Guest.