is a Japanese manga series written and illustrated by Mugimo. It was initially serialized on the author's Pixiv account from June 2017 to January 2022. It was later acquired by Square Enix who serialized it on the Pixiv Comic website under its Gangan Pixiv brand from January 2018 to January 2022.
Momo, a fan of boys' love manga, discovers the same applies to her ex-boyfriend and they renew their relationship because of it.
Written and illustrated by Mugimo, My Ex-Boyfriend Loves Boys' Love was initially serialized on the author's Pixiv account from June 1, 2017, to January 22, 2022. It was later acquired by Square Enix who serialized it on the Pixiv Comic website under their Gangan Pixiv brand from January 20, 2018, to January 22, 2022. Its chapters were compiled into seven wideban volumes from January 22, 2018, to April 21, 2022.
The series is published in English on Square Enix's Manga Up! Global app. In February 2026, Square Enix Manga & Books announced that they had licensed the series for English publication, with the first volume set to release in September later in the year.
A drama CD adaptation produced by Frontier Works was released on October 15, 2020.
In 2017, the series was ranked third in the indie category of Pixiv and Nippon Shuppan Hanbai's "Web Manga General Election" contest. In 2018, the series was the second most read series on Pixiv Comic.