One Peace Books has acquired the publishing rights for the manga adaptation of My Sweet Marriage to My Ex-Nemesis, a popular rom-com based on Toshimichi Uzō's light novel series. The publisher confirmed the license acquisition, with the first volume slated for release on March 16, 2027.
The story centers on Roshi Saigawa and Ritsuka Nagira, who transitioned from bitter rivals locked in conflict between superpowered warrior organizations to a happily married couple. The manga explores their new life together, navigating domestic bliss and the lingering complexities of their past rivalry.
The manga adaptation, illustrated by Shīme, began serialization in Kadokawa's Dengeki Maoh magazine in November 2024. Kadokawa released the first compiled volume of the manga in June 2025. The original light novel series, featuring illustrations by Kewi Hayashi, debuted in October 2023 under Kadokawa's Dengeki Bunko imprint, with its fourth volume released in August 2025.
Source: Behind the Manga(https://www.animenewsnetwork.com/news/2026-05-14/one-peace-books-licenses-my-sweet-marriage-to-my-ex-nemesis-manga/.237352)
