I was popular in my school days, but after I entered the workforce, my close friends got married and left me one by one, leaving me as a dull single man. Then, one day, I was called out to by a beautiful woman I didn't recognize on the street. It was Rio, my childhood friend who had confessed her love to me 10 years ago. She had evolved into a beautiful, busty, sexy married woman, with no trace of her former self as a plain girl with small breasts. That night, Rio, who had run away from home after being emotionally abused, came to my house with no one to turn to...