Forced proximity + obsessive possession. Plot: The female lead moves into a wealthy family after her mother remarries. Her new step-brother is cold, cruel, and tormented. He initially treats her like a servant, but soon develops a "if I can't have you, no one can" obsession. The keyword here is "same house" —late night kitchen encounters, sharing a bathroom, and the constant fear of parents finding out.
: One character often hides their true identity or status, creating a "loaned" persona that complicates the relationship. Marriage Pacts & Arranged Deals doc truyen sex loan luan di chau viet nam upd
For readers interested in exploring similar novels, I recommend: Forced proximity + obsessive possession
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