 is a Japanese web novel series by Tsutomu Satō. It was published between October 2008 and March 2011 on Shōsetsuka ni Narō. Shōsetsuka ni Narō is an internet web novel website. Satō started releasing his work in a light novel format from July 2011. In this story, magic exists and is made better through technology. The story is about Tatsuya and Miyuki Shiba, brother and sister. They both start studying at First High magic high school.