Rin's twin brother (the younger of the two). A straight Arqueiro and kind-hearted por nature, his goal is to become a doctor. Unbeknownst to his brother, he is a brilliant exorcist - the youngest in history - in short, a genius. His abilities are gradually unveiled during his time at the Exorcism Cram School.

-Appearance:

Yukio has brown hair and greenish-turquoise eyes. He also has three moles on his face and wears glasses.(that's why Rin calls him Spotty-four eyes). In the first episode, Yukio wears a plain camisa with a beige cardigan. Later on in the episodes, Yukio has an exorcist casaco that he...