I was very popular during my school days, but as I entered the workforce, my close friends got married and moved away, and I became a dull single man. One day, I was approached by a woman I didn't recognize on the street. 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...