When I was a student, I was very popular, but now that I'm a working adult, my close friends have gotten married and moved away, and I've become a dull single man. One day, she was approached by an unfamiliar woman on the roadside. That woman was my childhood friend Sunao, who confessed to me 10 years ago. There is no trace of her plain, small-breasted appearance, but she has evolved into a beautiful, busty, sexy married woman. That night, Sunao, who ran away from home due to a fight with her husband, came to my house with no one else to turn to...