In 2092 Okinawa was suddenly invaded without warning by an unknown enemy force Miyuki & her mother were caught up in the battle that ensued leaving them in dire straits where they were all but helpless relying on the help of a lone young mannamed Tatsuya This is the story of how the Shiba siblings got where they are now! About the Author Kana Ishida is the illustrator behind the hugely popular light novel series The Irregular at Magic High School Tsutomu Sato is the author of the hugely popular light novel series The Irregular at Magic High School