Bocchi Hitori faces the daunting task of making new friends in middle school, burdened by severe social anxiety that triggers fainting spells and elaborate avoidance tactics. With her only elementary school friend, Kai Yawara, moving on, Bocchi sets out to befriend her entire class to reconnect with Kai, despite her self-doubt. Encountering a tough-looking classmate, she bravely begins her journey towards overcoming her fears and building new relationships.