Tsuji, a quiet and kind-hearted high school boy with dark hair and deep blue eyes like the night sky, dies suddenly in a tragic accident. His death shatters the peaceful world of Amaya, his childhood friend and secret love, who had only just started to realize her feelings for him.
But death isn't the end for Tsuji. Drawn by his lingering emotions and unfulfilled promise to Amaya, his spirit remains behind—visible only to her under the moonlight.
Every night, as the world sleeps, Tsuji appears at the foot of her bed, on the school rooftop, in their favorite park—their old memories becoming new moments in silence and whispers. Together, they share laughter, sadness, and the ache of things left unsaid. But Tsuji’s presence begins to take a toll on Amaya, who clings to the ghost of yesterday while struggling to live in the present.
As graduation approaches, Amaya is faced with a painful choice: move on and let go of Tsuji’s spirit, or risk being trapped between life and memory forever. Tsuji, too, must come to terms with the truth: that true love sometimes means saying goodbye.
Under the final full moon of spring, where their world began, they share one last night together