Naoto discovers that his deceased love, Suzune, has returned by possessing the body of a girl named Ayumi through a generational family curse and a mysterious ring. To facilitate Suzune's full restoration, Naoto engages in an intimate relationship with Ayumi, who willingly acts as a vessel for her friend's soul. However, their fragile reunion is suddenly interrupted by a dangerous event that mirrors the accident that originally claimed Suzune's life.
When Ayumi's unborn children are placed in grave danger, Suzune discovers that their souls are stored within a ring she wears. Despite the risk of her own soul unraveling, Suzune courageously saves the babies, strengthening the bond between herself, Ayumi, and Naoto. The episode culminates in a joyful celebration as both Suzune and Ayumi give birth to healthy children, uniting them all as one happy family.