Living alone, I got dumped by my girlfriend. An ordinary young man spending boring days as usual. Then suddenly, a beautiful gal visited me… She was completely different from the cousin in my memories. Natsuhou, my cousin whom I hadn't seen in over a decade, had grown into a busty and erotic adult woman. I never thought that innocent kisses from our childhood could make my heart race like this! My life with the overly free-spirited Natsuhou is just beginning.
