Imouto ni Konyakusha wo Ubawareta Ochikobore Reijou wa, Tensai Majutsushi ni Dekiaisareru

A drop-out Iris who can't use magic in the magician's family. Her fianc was robbed by her sister and she was ousted from her house, and she decided to work as her maid at a certain house. Iris, who enjoyed her life as a maid, thought that "it's happier to live calmly as a maid than to live as a dropout", and for some reason she liked her master, a transcendental genius magician. I got lost ...!? (Google Translate)