Jia Guo's family consists of four members: Jia Guo, his parents, and his younger sister. His father works as a teacher, while his mother is a nurse. They live in a small house in the suburbs, where they enjoy spending time together. Jia Guo's younger sister is a student who loves to draw and play sports. The family often engages in activities like hiking and visiting local parks. They value education and support each other's interests, creating a close-knit and loving environment.