Kadokawa Manga Gakushuu Series: Manga Jinbutsu-den - Cleopatra Kodai Egypt Saigo no Joou

Cleopatra was born into an ancient Egyptian royal family as a princess. Full of curiosity, Cleopatra was well-read and spoke many foreign languages, and she grew up to be a clever and beautiful queen! She was determined to protect Egypt from Rome, the most powerful country in the world, even at the cost of her life.

(Source: Kadokawa, translated)

Note: Volume 14 in the series.