My Sweet Marriage to My Ex-Nemesis

My Sweet Marriage to My Ex-Nemesis
First light novel volume cover
組織の宿敵と結婚したらめちゃ甘い
(Soshiki no Shukuteki to Kekkon Shitara Mecha Amai)
GenreRomantic comedy
Light novel
Written byToshimichi Uzō
Illustrated byKei Hayashi
Published byASCII Media Works
ImprintDengeki Bunko
Original runOctober 6, 2023 – present
Volumes4
Manga
Written byToshimichi Uzō
Illustrated byShiima
Published byASCII Media Works
English publisher
  • NA: One Peace Books
ImprintDengeki Comics NEXT
MagazineDengeki Maoh
Original runNovember 27, 2024 – present
Volumes1

My Sweet Marriage to My Ex-Nemesis (組織の宿敵と結婚したらめちゃ甘い, Soshiki no Shukuteki to Kekkon Shitara Mecha Amai) is a Japanese light novel series written by Toshimichi Uzō and illustrated by Kei Hayashi. ASCII Media Works began publishing it under their Dengeki Bunko imprint in October 2023; four volumes have been published as of August 2025. A manga adaptation illustrated by Shiime began serialization in ASCII Media Works' Dengeki Maoh magazine in November 2024 and has been compiled into a single tankōbon volume as of June 2025.

Plot

The series follows married couple Rōshi Saikawa and Ritsuka Saikawa (née Nagira). Years ago, the two belonged to rival organizations, with Rōshi being nicknamed the "Feather Hunter" and Ritsuka being nicknamed the "White Demon". Although the two hated other, they fall in love after their organizations disband. Despite their marriage, the two have never had sex, something which Rōshi has become conscious of.

Characters

Rōshi Saikawa (犀川 狼士, Saikawa Rōshi)
Ritsuka's husband, who currently works as a salaryman. He is deeply in love with Ritsuka, but he is conscious of the fact that he is still a virgin despite being married to her.
Ritsuka Saikawa (犀川 律花, Saikawa Ritsuka)
Rōshi's wife. She has a strict personality, but she loves Rōshi and deeply cares about him.

Media

Light novel

The series is written by Toshimichi Uzō and illustrated by Kei Hayashi. ASCII Media Works began publishing it under their Dengeki Bunko imprint in October 2023;[1] four volumes have been published as of August 2025.[2]

No. Japanese release date Japanese ISBN
1October 6, 2023[1]978-4-04-915073-5
2May 10, 2024[3]978-4-04-915656-0
3November 8, 2024[4]978-4-04-915983-7
4August 10, 2025[2]978-4-04-916303-2

Manga

A manga adaptation illustrated by Shiime began serialization in ASCII Media Works' Dengeki Maoh magazine on November 27, 2024.[5][6] The first volume was published on June 27, 2025.[7] The manga is licensed in English by One Peace Books, which will release the first volume on March 16, 2027.[8]

No. Japanese release date Japanese ISBN
1June 27, 2025[9]978-4-04-916527-2
2July 27, 2026[10]978-4-04-952185-6

References

  1. 1 2 "組織の宿敵と結婚したらめちゃ甘い". Dengeki Bunko (in Japanese). ASCII Media Works. Retrieved June 24, 2025.
  2. 1 2 "組織の宿敵と結婚したらめちゃ甘い4". Dengeki Bunko (in Japanese). ASCII Media Works. Retrieved June 24, 2025.
  3. ↑ "組織の宿敵と結婚したらめちゃ甘い2". Dengeki Bunko (in Japanese). ASCII Media Works. Retrieved June 25, 2025.
  4. ↑ "組織の宿敵と結婚したらめちゃ甘い3". Dengeki Bunko (in Japanese). ASCII Media Works. Retrieved June 25, 2025.
  5. ↑ 『組織の宿敵と結婚したらめちゃ甘い』のコミカライズ連載が電撃マオウ1月号より開始. LN-News.com (in Japanese). November 29, 2024. Retrieved June 24, 2025.
  6. ↑ 水族館ホラーゲーム「アクアリウムは踊らない」マンガ版など、マオウで新連載2本. Comic Natalie (in Japanese). Natasha, Inc. November 27, 2024. Retrieved June 24, 2025.
  7. ↑ 「組織の宿敵と結婚したらめちゃ甘い」昨日の敵は今日の妻!訳アリ夫婦の甘々ラブコメ. Comic Natalie (in Japanese). Natasha, Inc. June 27, 2025. Retrieved June 27, 2025.
  8. ↑ Pineda, Rafael Antonio (May 14, 2026). "One Peace Books Licenses My Sweet Marriage to My Ex-Nemesis Manga". Anime News Network. Retrieved May 14, 2026.
  9. ↑ 組織の宿敵と結婚したらめちゃ甘い 1 (in Japanese). Kadokawa Corporation. Retrieved June 25, 2025.
  10. ↑ 組織の宿敵と結婚したらめちゃ甘い 2 (in Japanese). Kadokawa Corporation. Retrieved July 14, 2026.