In the quiet realm of her student life, Momo becomes entranced by the Japanese red string theory-a belief that each person is connected to their soulmate by an invisible thread. Living amidst legends that promise a destined connection, Momo wonders about the identity of the person awaiting her at the end of her own red string. As she navigates the rhythm of her days, the allure of the unseen pulls her into a quest to unveil the mystery of her soulmate.