Leviathan (Zettai Bouei Leviathan)

Leviathan is the main heroine of the 2013 magical girl television series Leviathan The Last Defense. She is a water mage from the land of Aquafall who makes friends with Bahamut and Jörmungandr while searching for her older brother. She lives in a humble cottage by herself and can transform into a water-affinity dragon girl. She is humble, calm, and serious.