Marina, who had taken in 'Yuto' out of youthful folly. Her father disappeared from her life, and Yuto, her son, was placed in a child welfare facility at a young age. And time passed, Marina rejoiced at the prospect of living with Yuto again. Overwhelmed by her love for Yuto, who had grown into a fully mature body, she attempted to deepen their bond as parent and child in the form of sex education...
