The kindergarten teacher is the instructor at the school where Li Mai enrolls her son Chengcheng. She sends a message to Li Mai confirming that Chengcheng can start classes. Later, she reports to Li Mai that Chengcheng is unsociable and introverted, preferring to read alone rather than play with other children. This news worries Li Mai, who frets about her son’s social adjustment. The teacher’s feedback drives Li Mai to take Chengcheng to the museum and to consider how to help him. Though she doesn’t appear directly, her communication shapes a key subplot about Chengcheng’s well‑being.
