- Lu Jingchen: CEO of the Lu Group, 28 years old, aloof, paranoid, and decisive in killing. He has been secretly in love with Su Nianwan for seven years. Due to a misunderstanding, he broke up with her and trapped her with her through a marriage agreement. He is indifferent to the outside world and dotes on the heroine to the extreme.
- Su Nianwan: 25 years old, cute and soft, foodie, from an ordinary family, had a crush on Lu Jingchen in college, misunderstood and left for a foreign country, agreed to get married in order to save her younger brother, gentle, tough, and pure at heart
