A pair of comrades who always seem to end up at each other's throats, Kanda Yu was the first Exorcist Allen Walker met in the Black Order Headquarters. While Allen's anti-akuma weapon is the parasitic Crowned Clown that takes the shape of either a giant arm, or a fur cape and claw, Kanda has Mugen, the katana he's holding.
I had to crop the photo so that I could make it fit in my blog, but I hope the photographer doesn't mind too much! It's a really nice shot of the two cosplayers, who both did an awesome job at their costumes and accessories. Great work!