Natalie's mother, a botanist who is portrayed through Natalie’s perspective and is dealing with depression, impacting her professional and personal life.

Natalie’s father and Alice’s husband, a therapist who helps manage the family while supporting Natalie and addressing Alice's mental health.

Natalie’s best friend who shares a deep bond with her, characterized by loyalty and a shared history, despite not always expressing her personal hardships.

Natalie’s enthusiastic science teacher who introduces her to the “Wonderings Journal” and encourages curiosity and new friendships among his students.

A smart student and classmate who collaborates with Natalie and Twig on a project, ultimately forming a friendship through shared interests.

Natalie’s former best friend who became distant, leading to misunderstandings, and whose mother was Alice's boss.

Mikayla's mother and a botanist who worked with Natalie’s mother, initially seen as an adversary due to misunderstandings about Alice's employment status.