Female protagonist: Shen Qinghuan (28 years old)
Identity: The sole heir to the Shen Group, the "iron-blooded devil" who is feared in the business world.
Personality: decisive in killing, extremely controlling, venomous and arrogant. Externally, he is the CEO of Bingshan, but internally (to the male protagonist) he is a maniac who protects his shortcomings.
Hidden side: Suffering from mild insomnia due to family pressure, he can only sleep peacefully next to the male protagonist (foreshadowing).
Male protagonist: Jiang Chen (26 years old)
Identity: The second generation of bankrupt rich people, the "contract boyfriend" who was forced to go into business to pay off debts.
Personality: On the surface, he looks like a docile little puppy (to match the acting), but in reality he is sinister and tough, possessing the talent of a top perfumer (a trump card for counterattacks in the later stages).
Motive: In urgent need of funds to save his seriously ill mother, he had to bow to the "evil forces".
CP tension: strong women and weak men (appearance) → strong alliance (truth).
