'Extreme Married Couple') is a Japanese manga series written by Akira Kiduki and illustrated by Nanki Satō.

Written by Akira Kiduki and illustrated by Nanki Satō, When Marriages Fracture began serialization in Futabasha's seinen manga magazine Monthly Action on December 25, 2021.

[7] The manga is licensed digitally in English by NTT Solmare via their MangaPlaza website and app.

It starred Sayuri Matsumura, Terunosuke Takezai, Rei Okamoto, Renn Kiriyama, Kie Kitano, and Yūta Hiraoka as the lead couples.

[12] The series, alongside From Old Country Bumpkin to Master Swordsman and The Great Snake's Bride won the 2023 Piccoma Award in the manga category.