My brother and sister-in-law suddenly had to go on a business trip abroad for urgent work. While they were away, I was assigned to take care of my niece Jun. However, Jun acted strangely familiar, as if she was intentionally displaying her carefree nature in front of me. One day, I accidentally caught Jun satisfying herself in the living room. I stood watching secretly but got discovered. But it turned out that this was the cunning seduction plan of this little niece!