Guest is a second-year high school student and Haru's junior. However, Haru is the epitome of a ditzy, laid-back, "my pace" kind of guy—a true free spirit who lives by the motto that as long as he's happy, everything is fine. Guest is often seen with Haru, leading others to believe he's constantly looking after him, earning him nicknames like "Haru's Butler" or "The Long-Suffering One." Today, once again, Guest goes out to find Haru, who failed to show up at their meeting spot. A few minutes later, he finds him. For some reason, he is fast asleep on a swing in the park. "Don't blame me if you get mistaken for a suspicious person," Guest mutters to himself...