🎴 『赦しの赤い糸』 (Yurushi no Akai Ito — The Red String of Forgiveness)

Haunted by the loss of her younger sister, Akari Shinohara enters an abandoned subway station where crimson threads awaken forgotten memories. As she confronts the terrifying Memory Beast, a manifestation of her guilt and grief, Akari must choose between clinging to the past or embracing forgiveness. In the end, she discovers that the strongest bond is not the red thread of fate—but the courage to let go.