Rin Okumura Husbando

Rin is the son of Satan and the elder, fraternal twin brother of Yukio Okumura. Studying as an Exwire at True Cross Academy, Rin desires to become a Knight Meister and defeat his biological father. Rin has messy, jet-black hair (dark blue in the anime) that sweeps down on his pale skin and intense blue eyes. Since using Kurikara for the first time, Rin began exhibiting a number of physical traits that hint at his demonic nature in his human form such as prominent canine teeth, slightly pointed ears, and a long, black, fur-tufted tail. In his Demon form, Rin gains two horn-like blue flames floating above his head, long elf-like ears, and red slitted pupils, while his irises remain a deep blue. The blue flames also blaze around other places of his body, mostly at the tip of his tail and on his shoulders, as well as his sword. Rin has an extremely compassionate and supportive personality. Rin can be very violent and get into fights (possibly caused by his demon side), but in truth, has a kind heart. He supports his friends and tries to encourage and help them in any way possible. He is also very protective of Yukio and aims to surpass him one day. However, Yukio often finds Rin annoying due to his frequent impulsiveness, stupidity and his care-free attitude, which makes Yukio look down on Rin as much as he looks up to him, making it hard for Rin to be taken seriously by Yukio and his fellow exorcists, making Rin desperate to earn his brother's approval. He takes offense when Yukio accuses him of killing their father and pointing a gun at him, warning him not to insult him and saying that he isn't going to fight his brother. Rin is also revealed to be very fragile later on when Yukio begins to show signs of Insanity and Rin can't find any way to help him.