Hoshi no Otome to Rikka no Shimai

This is a story of the maidens who aim for the "stars". The protagonist, Yamabuki Yuki, is an online streamer who is popular because of his cute looks. Although he is known as an up-and-coming female streamer, he is actually a guy. He gained popularity by streaming as a girl with his good-for-nothing sister, Yamabuki Alice. One day, their mother forced Alice to transfer to a new school, since she had stopped attending her old school. The new school that Alice will be attending is St. Rikka Girls