His Fiancée Is My ObsessionEpisode 4

O 'Rora faces a devastating turn of events: her family goes bankrupt, her father is imprisoned, and she is betrayed by both her fiancé Owen and her close friend Zoe. Seeking revenge, she engages in an intense affair with Seras—Owen's brother and a powerful figure within the elite circle—and is subsequently pressured by him to marry her. Despite being repeatedly framed and deceived, O'Rora is always fiercely protected by Seras.