My Lovey-Dovey Wife Is a Stone Cold Killer (拝啓... 殺し屋さんと結婚しました, Haikei... Koroshiya-san to Kekkon Shimashita), also known as Dear Sir...

I Married a Killer, is a Japanese manga series written and illustrated by Donten Kōsaka.

It began serialization in the November 2019 issue of Media Factory's Comic Cune magazine, released on September 27, 2019.

[3] A voiced comic video was posted on YouTube on September 27, 2021, to commemorate the release of the third volume.

[1] The series is licensed in North America by Seven Seas Entertainment,[4] with the first English volume being released on November 23, 2021.