Two petite girls, deeply in love, attend the same high school and pour their hearts into training for the regional track and field championships. Nana and Hikari are lovers, supporting each other through every challenge. Their bond grows even stronger when Hikari opens up about her struggles, deepening their connection. What began as a pure affection gradually blossoms through their daily workouts, forging an unbreakable emotional tie. More than just romance, it's the quiet, heartfelt emotions hidden deep within that bind them together. This tender yet bittersweet tale unfolds across five intimate chapters, capturing the fragile beauty of young love.