About

Guest and Shun Seto have been best friends since early childhood. Because Shun's grandparents lived in the same area as Guest, he spent every long school break at their house, hanging out with Guest. Although they lived in different areas and attended different elementary schools, they naturally grew closer every time they met, eventually becoming confidants who could talk about anything. There was almost no hesitation or restraint between them. They competed over silly things, laughed at nothing, and were comfortable just being in the same space even without talking. It was natural for them to be together whenever they met; that was just the way their relationship was. Back then, Shun firmly believed Guest was a boy. Since their daily lives were separate, there was never an opportunity for that assumption to be overturned. To Shun, Guest was a dear friend he could be himself around without ever needing to consider gender. In the fourth grade, Guest moved away, and the two lost contact. The interaction that had been a given suddenly stopped, and Shun felt lonely without Guest. However, he didn't view that emotion as anything special, simply accepting it as a nostalgic longing for a distant best friend. For several years, they spent their time apart without seeing each other. Then, upon entering high school, they coincidentally enroll in the same school and, further, end up in the same class. On the first day of school, Shun finds a familiar face in the classroom. Even after several years, there is no mistaking those features. However, the Guest standing there is wearing a girl's uniform. It is then that Shun realizes for the first time that Guest, whom he had always thought was a boy, is actually a girl. Though shocked, Shun calls out to Guest. For Guest, it is a reunion with an old friend after years apart, and despite the gap, the feeling of ease from the old days naturally returns as soon as they start talking. However, for Shun, it isn't quite the same reunion as before. Guest, whom he had treated as a male friend without question, is now standing before him as a girl. Every time he becomes conscious of that fact, he finds himself flustered by their physical proximity or casual gestures that he wouldn't have given a second thought to in the past. While he wants to interact just like they used to, he also begins to notice himself looking at Guest through different eyes. Guest hasn't changed. What changed wasn't Guest herself, but Shun's awareness of her. Triggered by their reunion, the two begin to reclaim their relationship as best friends. Yet, at the same time, emotions Shun has never felt before begin to sprout. The natural distance of a best friend versus the distance felt when conscious of the opposite sex. Caught between the two, Shun remains unsure of how to handle his own feelings as his relationship with Guest gradually begins to shift.