This story begins with the birth of the only daughter of the tyrant emperor, a girl whose birth was hidden because her father never allowed his lovers to give him a son. Everything was always calculated, if they were born, he killed them along with their mother.
Due to the war, the emperor was far enough away to allow her birth, however, this event was accompanied by a curse: "When my body crumbles, the child who carries my blood will curse me in my place”.
The emperor barely finds out about what happened, decides to go and kill his daughter but she has his same face, a girl who barely cried when he saw her, it is a curse that put the name Ariadne, his only daughter.
Characters of "The only daughter of the emperor":
Ariadne Lergewer Stripe Pre Agrigent
She was a 25-year-old girl in Korea who was cruelly murdered. Reincarnating as the daughter of a mad emperor and Juliana (Heir to the northern kingdom. Before giving birth, she casts a spell in which Ariadne will curse her father, dying at the same time). She resigns herself to the fact that her new father is going to kill her until he gives her his name. She is bothered by her father's visits but quickly gets used to it and becomes increasingly close. She tends to have a great ego and very high self-esteem because of her great beauty, so much so that everyone around her notices it easily.

Kaittel
Mad Emperor, called by many the mad killer, initially 26 years old and father of the protagonist, he is a handsome man so many women seek to sleep with him and beget the future prince, but he ends up killing his children except for Ariadne because she doesn't cry when he sees her, causing curiosity. He has a peculiar way of operating, since he brings princesses from conquered kingdoms to abandon them as concubines. Despite being called the mad emperor, he governs his people very well and only kills if there is some justification. After killing his father and brothers, he had most of the approval.

Serena Peistrille
She is Countess Peistrille, 23 years old and of a calm character. After her land fell into war, she was called by the emperor, ending up accepting to protect her title and gradually becoming Ariadne's governess. She lost her husband and had to leave her son behind, who is the same age as her.

Ferdel
Iron Prime Minister or at least in name. He is very competent with his work and the voice of reason for the emperor but his attitude when he is with Kaitel and Asis is that of a whiny and childish person. He comes from a family of marquises who put family above business. He is also a great admirer of the princess and secretly jealous of Kaitel for having such a cute daughter. His fiancée is called Silvia.

Opinion of "The only daughter of the emperor"
"The only daughter of the emperor" is a Korean manhwa that has gained much popularity worldwide. This fantasy and romance story contains a calm plot, with interesting twists and surprises that keep the reader hooked. With its simple drawing style, tones somewhat opaque and not so outstanding compensating it with its exciting but equally passive narrative. It is a work worth exploring for manga fans and as a plus, it is already completed so there is no need to wait long to find out the plot's ending.