"Nagisa runs into a coworker outside a cosplay event, and fears her secret is out. Imagine her surprise when this woman turns out to be a cosplayer, too! But nothing can stay hidden forever, and soon, both of them must answer the question, "Am I really too old for this?"--Page [4] of cover.

"First published in Japan in 2014 by Kodansha Ltd., Tokyo, as Complex age, volume 1."--Title page verso. "A Kodansha Comics trade paperback original" -- Title page verso. Reads from right to left.