"I can't hold back anymore!" Masaru suddenly cries out as he lunges at his mother's breasts. No matter how gently Umi tries to calm him or how sternly she scolds him, he refuses to stop. Resisting Masaru's intense desire proves impossible. Ultimately, Umi has no choice but to pacify the situation using her own body. As a result, Masaru's lust only intensifies, leading him to Umi's bedroom that very night. A gripping tale unfolds, weaving pure affection and the bond between parent and child into an irresistible, taboo encounter.