Living on the border of Tokyo and Saitama, Mao has harbored special feelings for her cousin since childhood. He had left their hometown and moved to the city for work, rarely returning home. This distance between them wasn't just physical—it had grown in their hearts as well. Yet, even during their long separations, Mao never stopped thinking about him. One day, needing to go to Tokyo, she finally gathers the courage to visit his place. Determined, she takes the most important step of her life—confronting him with all the emotions she's kept bottled up inside.