DASS-968: After a month of immersing himself in an atmosphere of liking his mother, Natsume Reika continues to have sex with her, who has lost her rationality.

Reika Natsume lives with Shogo. Shogo's friend says, "I wish my mother were as beautiful as you." Shogo also begins to strongly realize Reika's womanhood. One day, Shogo is caught by his mother masturbating with her underwear. From then on, they both keep telling their mother they love her. Pampered, Reika also begins to like Shogo and starts pursuing him relentlessly…