Lissa grew up in Tokyo with her aunt. She mostly lived there, where she went to school and had a wonderful life. But when her aunt got in an accident, she moved in with her parents and her twin sister in Paris. Though, it was just for a little bit. She is the master of the Miricle Box, a Miraculous holder, and starts to uncover the truth about those around her that she did not expect to find out. Will Lissa be able to cope with all that she is hit with, or will she crack under the pressure?