Nike is Lunia's half-brother, who shows an unusual obsession with her. They were estranged for a while, but when he heard that Lunia had returned to the Khronoa family, he tried to get close to her again...

Marrying a cursed marquis changes her destiny... A superb romance of misunderstandings. 
"I wanted to help you even if you didn't love me ." 
Lunia, the daughter of the Count of Persephone, was shunned by her father and treated like a tool by her half-brother, leading a lonely life. Meanwhile, she is chosen by a priest to be engaged to Hades, the head of the Duke of Khronoa family, and decides to marry into the cursed duke family. The Duke of Khronoa, feared as the "King of the Underworld," is cursed with a short lifespan if he does not marry a bride chosen by the emperor. However, Hades tells Lunia that he has no intention of loving her. 
"I exist only to break the curse..."
 
In order to keep Hades alive, Lunia deceived him and spent the night with him, then disappeared without realizing that she was pregnant with his child.
Seven years later, Hades somehow managed to find Lunia and tried to take her back with the child... (Source: Honto, translated)

[Twitter](https://twitter.com/kohey_yan)

Married to [Shizuka Ishigami](https://anilist.co/staff/118738).

Born the despised daughter of a noble family, Lunia escapes her grim fate by marrying the cursed Duke, Hades Khronoa. But after a single loveless night, she vanishes without a trace, unaware that she’s carrying his children. Seven years later, Hades is determined to reclaim Lunia and finds her... as well as the children he never knew existed. As secrets resurface and emotions reignite, can this broken couple untangle the past and face the future together?
 
(Source: Tappytoon)

Nike Persephone