In her youthful folly, 'Marina' ended up pregnant with 'Yuto.' Her father vanished before Marina's eyes, and her son Yuto was sent to a child protection facility in his early years. Time passed, and when Marina could finally live with Yuto again, she was overjoyed. However, she became overly attached to Yuto, who had grown into an adult, and attempted to deepen their parent-child bond through sex education...
