JUFE-209 Memories of my youth, when my parents were on their honeymoon, and I forgot all about reason and lusted after my cute big-breasted sister-in-law. - Nene Tanaka

When I was a student, my father decided to remarry. - My new mother has a daughter who is younger than me and her name is Nene. - Nene interacted with me very naturally even though I have a gloomy personality and don't speak much. - I was gradually captivated by her innocent, cheerful personality, and cute, feminine body with a bulge. - One day, my parents are going on a late honeymoon, and I end up spending a few days alone with my sister-in-law, Nene. - I never imagined that something like that would happen...