Monthly Comic Blade
, officially abbreviated as in Japan, is a Japanese light novel series written by Hirotaka Akagi and illustrated by Eito Shimotsuki. Shogakukan has published eleven volumes under their Gagaga Bunko imprint. A manga adaptation titled with art by Yuzuki N' was serialized in Mag Garden's "shōnen" manga magazine "Monthly Comic Blade" from March 2014 to February 2016. An anime television series adaptation by J.C.Staff aired from July to September 2015. is a Japanese word for "vulgar slang", "dirty joke," "blue joke," or "erotic topic."