Shao Chengcheng: 19 years old, the only son of Mr. Shao of Shaw Real Estate Company (a Sino-foreign joint venture), and a leader in the national mosquito car competition.
Tong Youyu: Under 17 years old, the only daughter of Shao Chengcheng's stepmother, a study committee member of the gifted class at the Middle School Affiliated to Beijing Normal University (skipping a grade).
Intention: "Come on and take away my shameless brother!" "Come on, your little mouth keeps talking every day, isn't it making me miserable?"