Ryuuya Kazamaki

Chosen as a vessel for the Fuga clan's god, a wind demon. After Kazuma returns to Japan, Ryuuya goes on a killing spree, murdering several members of the Kannagi branch families using wind magic, making it appear as though Kazuma was responsible. ~!After being fully merging with the Fuga clan's demon god, Ryuuya is killed by a combination of Ayano's crimson flame and Kazuma's contract invocation.!~