Guinevere Shlesha is a character in the second season of the anime Tsukimichi -Moonlit Fantasy-. She is a female character with blonde hair and yellow eyes. Guinevere holds the prestigious position of a Royal Guard, which is the highest rank attainable for a knight entrusted with the protection of royalty. She is a close friend and personal guard to Lily Front Gritonia, to whom she has sworn unwavering loyalty.

In the story, Guinevere serves as a member of Tomoki Iwahashi's party. Her role is defined by her exceptional defensive capabilities. She has extensively trained in the art of protection, focusing entirely on the role of a defensive wall or tank. This specialization is further enhanced by a unique sorcery tool given to her that is designed specifically for defense, as well as her unique job, Royal Guard Grount. This job derives its name from the superior dragon Grount, who is famous for his immense defensive power. Additionally, she possesses the Divine Blessing of the Greater Dragon Sazanami, also known as Grount. Information detailing her personality, motivations, and any development she undergoes throughout the series is not available.