Japanese manga series
 is a Japanese manga series written by Akira Kiduki and illustrated by Nanki Satō. It began serialization in Futabasha's "seinen" manga magazine "Monthly Action" in December 2021. After the disbandment of the magazine in February 2024, it was later transferred to the "Manga Action" magazine in April that same year. A television drama adaptation aired from January to March 2024.
Media.
Manga.
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. After the final issue of "Monthly Action" was published on February 24, 2024, the series was transferred to the "Manga Action" magazine on April 2, 2024. The series' chapters have been compiled into eight digital volumes as of March 2024, and six "tankōbon" volumes as of November 2024.
The manga is licensed digitally in English by NTT Solmare via their MangaPlaza website and app.
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Drama.
In December 2023, a television drama adaptation was announced. The drama consisted of 10 episodes with three different narratives were featured. It starred Sayuri Matsumura, Terunosuke Takezai, Rei Okamoto, Renn Kiriyama, Kie Kitano, and Yūta Hiraoka as the lead couples. It aired on Kansai TV and DMM TV from January 18, to March 21, 2024. 
Reception.
By May 2024, the series had over 2.2 million copies in circulation.
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.
References.
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