(from ebookjapan):

Rokka Shinohara, who has been learning ballet with her sisters since she was a child under the tutelage of her mother who runs a ballet school, is now 16 years old and in her first year of high school. Holding Senka's unattainable dream in her heart, Rokka's new challenge begins...

Ryoko Yamagishi starts the second part of her Long-Form ballet manga!