Saori Ohtori is a 17-year-old high school student living with her abusive stepfather and younger brother in a cramped, rundown apartment. Despite her difficult home life, she maintains a cheerful and optimistic exterior, often putting on a brave face for her classmates and friends. However, Saori struggles with feelings of insecurity and low self-esteem, particularly in her relationships with boys. She finds solace in her close-knit group of girlfriends, who offer emotional support and a sense of belonging. Outside of school, Saori spends her time volunteering at a local animal shelter, where she finds a sense of purpose and fulfillment caring for the animals. As she navigates the challenges of adolescence, Saori is determined to overcome her hardships and build a brighter future for herself and those she loves.