You are reading My Younger Cousin Who Made Her High School Debut Asserts Her Dominance manga, one of the most popular manga covering in Romance, Comedy genres, written by at MangaBuddy, a top manga site to offering for free. My Younger Cousin Who Made Her High School Debut Asserts Her Dominance has 2 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add My Younger Cousin Who Made Her High School Debut Asserts Her Dominance to your bookmark. I have a younger sister who's 3 years younger than me. Before, she was just a generic girl, but ever since getting into high school, she's become a wonderful gal. Going through our everyday life, she would mount me, or so I thought, but there were tears, and believing lies, huh? It's only her look that's changed!? Dominating and getting dominated! A pure older brother and a bad and easy going little sister, 1 on 1 love comedy, begins!!