A Pen, Handcuffs, and a Common-Law MarriageA Pen, Handcuffs, and a Common-Law Marriage.

A Pen, Handcuffs, and a Common-Law Marriage (Japanese: ペンと手錠と事実婚, Hepburn: Pen to Wappa to Jijitsu Kon) is a Japanese manga series written by Shinichi Sawaragi and illustrated by Tank Gasuyama. It began serialization in Hakusensha's seinen manga magazine Young Animal in December 2022. An anime television series adaptation produced by EMT Squared is set to premiere in January 2027.