Solitaire by Alice Oseman

The book follows the story of Tori Spring, a cynical and introverted teenager who navigates the complexities of high school life while dealing with her own struggles with depression. As she becomes entangled with a mysterious group called Solitaire, which orchestrates a series of pranks at her school, Tori is forced to confront her feelings of isolation and disconnection. Through her interactions with new friends and the enigmatic Michael Holden, she begins to explore themes of identity, friendship, and the challenges of growing up, ultimately seeking to find meaning and connection in her life.