Midori, a mother worried about her son's obsession with an idol and his uncertain future, grows increasingly concerned as his otaku behavior worsens day by day. While her husband remains indifferent, saying "it's not so bad," Midori's anxiety deepens. One day, determined to remind him of her own allure, she takes a bold step and approaches her son. Initially hesitant, he soon finds himself drawn into the pleasures of sex, gradually shifting his fascination from idols to his mother's body. The relationship between mother and son begins to transform into something entirely new...