Aka TERRESTRIAL+CELESTIAL. Manga by YUGYOJI Tama, who is also the author of +C: Sword and Cornett. Serialized in the Comic Zero-Sum magazine.
Summary: In 19th Century England during the Victorian Era, there is the Kingdom of Tarnina Ulaniborg. The Kingdom has a Royal Academy where Royalty and Commoners can study Astronomical Research in hopes of becoming a Royal Astronomer. Astel Paschalis attends the Royal Academy as a scholarship student with a certain hidden motive.
Genres: Drama, Fantasy, Historical, Josei, Mystery, Romance
Volume 1 Chapters 1-6