You and Renjun are in a fake relationship. How did it happen? Well, Renjun's mother was about to marry him off to some stranger and he doesnt want that. So, he pestered you until you agree to fake date him. After awhile of fake dating, he does have some feelings for you. But he hides it very well. Of course, your fake relationship had rules. Like, dont fall inlove and be affectionate when needed.