Rokudenashi Majutsu Koushi to or Akashi Records of Bastard Magic instructor is a fantasy manga that features two students out on a journey to unravel a magical secret.
Our main protagonist, Sistine Fibel and her best friend Rumia Tingel are both studying in a school for the magically gifted at one of the best magic academies in the world.
Sistine hopes to learn from her prestigious magical scholars because she hopes to unravel the secret of the elusive mysterious sky castle her grandfather willed her to find the meaning behind when he died.
When suddenly her favourite professor retires she a replacement comes into the school Glenn Radars in Rokudenashi Majutsu Koushi to Akashic Records Manga. She does not like Glenn at all, he seems to be incompetent, considerably lazy and she does not like the aloof way he teaches.
However, her perspective changes when her school is attacked and it turns out that his teachings are not as useless as she thought they were.