Beyond the Boundary

is a Japanese light novel series written by Nagomu Torii, with illustrations by Tomoyo Kamoi. The work won an honorable mention in the Kyoto Animation Award competition in 2011. Kyoto Animation has published three volumes since June 2012. Set in Kashihara, Nara, the story follows a young boy named Akihito Kanbara who is an immortal being and half a spirit. After Akihito saves a girl named Mirai Kuriyama from committing suicide, he learns that she is a spirit world warrior and their lives become intertwined.