Yuri Shibasaki (Yuri) married as the second wife of Tohyama six years ago, after he saved her father's factory from collapse. Though initially hesitant due to their 30-year age gap, their bond deepened into genuine love. However, Tohyama's health deteriorated due to diabetes, leaving him bedridden frequently, and erectile dysfunction treatments became ineffective, making it impossible for him to make love to Yuri. Realizing his impending death, Tohyama decides to leave a living will. What follows is a shocking turn of events—Yuri Shibasaki experiences her first anal penetration as a lust-filled, throbbing cock violently invades her anus.