Erika’s entire world revolves around Yoshino, a stage actor pouring his heart out in intimate small theater productions. Her greatest joy is watching him perform up close, feeling a precious connection to his art. That peaceful fandom is shattered when Yoshino lands a role in a mainstream television drama. Suddenly, her beloved, hidden treasure is discovered by the world. Overwhelmed by a mix of pride and a painful sense of loss, Erika makes a decision. She chases after him into the blinding, glamorous, and harsh new environment of commercial show business, determined to stay by his side as a fan.

The story is a realistic and grounded depiction of the unique relationship between an otaku and their idol. It is not a typical romance but a psychological and emotional drama that explores the unbridgeable distance between a fan and the object of their affection. Erika’s journey is an obsessive and melancholic one, as she struggles with her own feelings while watching Yoshino rise further and further away from her reach. The narrative carefully details the subtle shifts in her inner world through the highs of seeing her oshi succeed and the crushing lows of realizing she is just one face in an ever-growing crowd.

The primary characters are Erika, a devoted and earnest fan whose life revolves around her support for Yoshino, and Yoshino, a serious stage actor whose career skyrockets unexpectedly, pulling him into the complex world of television and mainstream fame. The setting moves from the intimate confines of small community theaters to the high-pressure environments of television sets and large-scale promotional events, highlighting the changing nature of Yoshino's career and the growing sense of alienation Erika feels as a result.

A notable early narrative arc focuses on the theme of exposure. The central conflict, encapsulated by Erika’s fear that "the world has found my oshi," drives the story forward as she navigates what it means to support an artist who no longer belongs to a small, dedicated group of fans but to the masses. Reader discussions highlight another significant story beat later on, where Erika faces a profound crisis upon learning that Yoshino has a girlfriend. This event threatens to shatter her carefully constructed world, forcing her to confront the reality of her oshi as a person living his own separate life, rather than just the ideal image she has built on stage. The manga is praised for its refusal to rely on convenient coincidences or contrived meetings between the lead characters, instead showing Erika’s emotional turmoil from the realistic perspective of a distant admirer, which only intensifies as she potentially spirals deeper into her obsession.