"Souta... I'm... I'm sorry..." Souta and Honoka are enjoying their newlywed life. They love each other so much that they kiss whenever Souta comes back home. One day, Souta's best friend, Iori, moves in next door. Happy to see Iori again, Souta invites him to his house for a meal. Excited from the reunion, Souta drinks too fast and ends up falling asleep, drunk. Honoka takes care of him, but then Iori approaches her with a smile and hugs her tightly. He then touches her chest, which makes Honoka feel sexual pleasure. Seeing Iori's dick that's larger than her husband's makes her excited for its insertion. Even though Honoka knows that she's doing something unforgivable, Iori's large dick enters Honoka without hesitation...