Tsuki Tsuki!
Manga
Tsuki Tsuki! is a Japanese light novel series by Yūjin Gotō with illustrations by Riko Korie. It received an honorable mention at the 6th MF Bunko J Light Novel Rookie Awards and has been published under the MF Bunko J imprint (Media Factory) since November 2010. A 13th volume was announced, but publication stopped after volume 12, though the story works as an ending there.
Translated from the Japanese Wikipedia article, available under CC BY-SA 4.0. Translated and shortened by ManhWatch AI; may contain errors.