The other day, I took my father to the house of her mother, Momoko, to say hello to her marriage. It was supposed to be, but...I was captivated by the unexpectedly beautiful Momoko-san, and forgot about her wedding, so I was obsessed with all my eyes as Momoko-san opened her open cleavage. That's right, I'm an ashamed, virgin, a timid and shy man who has a girlfriend. And that night, I drank too much and fell asleep before I knew it, and I woke up to the perverted words Momoko whispered and the groans of her father...