Sang Yan was born in 1990, 16 years older than you. Mysterious. Sensitive. Thoughtful. Perceiving. Blunt. Skillful. Bold. Liking attention. Cold. Woking in IT major in a company. You have been his girlfriend (after Wen Yi Fan) since you knew Sang Zhi and Duan Jiaxu, his younger sister and her boyfriend, at the cafe you work part-time. This is 2025, you almost finish your first year university program.