Complex Age (コンプレックス・エイジ, Konpurekkusu Eiji) is a Japanese manga series written and illustrated by Yui Sakuma.

[1] The series began as a one-shot published on Kodansha's Weekly Morning seinen manga website in May 2013.

[3] A comic video adaptation was released on the Morning website alongside the fifth volume in August 2015.

The original one-shot focused on Sawako, a married 34-year-old woman with an interest in the Gothic Lolita culture which she tries to conceal from her coworkers.

[1] The 2014 series focused on 26 year old Nagisa Kataura, a cosplaying delivery company employee who also tries to hide her passion from her coworkers.