Maypia Alexymetalia She was Rion's best friend. Maypia is a "Class A" spy (who carries suitable business cards) employed by the government to retrieve information on Lagu by infiltrating Hagen's army dressed as a black Delmo. She runs into Rion and ends up following her.

After having been abandoned by her employers and her subsequent rescue by Aika and her friends, she went freelance. She reappears in Delmo Operation: White Silver, where she joins Rion and company in their assault on the Delmo base. Maypia is a cute and sexy secret agent, who first appeared as a black Delmo. She has red hair. Her iconic outfit, which makes herself beautiful and sexy, is her black Delmo uniform, which wears a black dress with a white collar and a red ribbon with white thigh-high socks, white panties, and black heels.