At a high school reunion held for the first time in twenty-five years, Sakura reunites with Abe, her first love. Overwhelmed by nostalgia and longing, their conversation gradually grows more intimate. Unbeknownst to her, Abe has begun to fall for Sakura again. One day, they coincidentally meet once more. Pushing past initial awkwardness, they share a calm, heartfelt talk. But when Sakura learns that Abe is unmarried, he openly desires her, igniting a passionate longing in broad daylight. Sakura's heart slowly warms, awakening sensations of pleasure. Soon, their relationship intensifies, launching five days of deeply passionate intimacy.