Lin Zuji is Lin's younger brother in the second grade of junior high school. In the seventh episode, he first met Qian Sanyi. Because his name is Sanyi and English is homophonic, he is called Srivan.

"Pi 2" tells the story of graduating from college. They are old classmates and friends. Although they all have their own troubles, they are all working hard on the road to happiness. Lin is approaching graduation, vacillating between studying abroad and employment, but with the company of her parents and friends, she has made great progress and gained a lot. Lin Dawei upgraded his career and opened a community "elderly center". With the encouragement of David Lin, he also devoted himself to the cause of providing for the aged and found another spring of his career. Aunt Qian has a crush on Miaomiao for many years. Although his mother is critical of his feelings, he tries to make his own money and win the support of his family. Jiang Tianhao was full of twists and turns on the road of starting a business, and his youthful spirit made him go the wrong way. But after experiencing the trough, he suddenly woke up and started his journey again with the support of his family and friends. Dengde