kaiyorihito/kaiyorishiki
隗ヨリヒトカイヨリ式
Aritsune is a high school student who lives with his sister, Akira, and is close friends with Chihiro. As the leader of the Sagimori House, he possesses the "Kaiyori no Aya," a powerful artifact. This makes him a target for other houses. He is tasked with handling rogue aya collectors who disregard others in their pursuit of power. Chihiro supports Aritsune in managing his abilities. As violent incidents increase and new, questionable transfer students arrive, Aritsune must determine who he can rely on. The manga was discontinued by the publisher due to copyright issues.