Isshiki-san wa Koi o Shiritai

  1. Home
  2. Wiki
Isshiki-san wa Koi o Shiritai
First tankōbon volume cover
一式さんは恋を知りたい。
GenreRomantic comedy[1]
Manga
Rinna Keibu wa Kokyū ga Dekinai
Written byAyune Araragi
Published byIchijinsha
ImprintRex Comics
MagazineMonthly Comic Rex
Original runOctober 27, 2016 – December 27, 2017
Volumes3
Manga
Written byAyune Araragi
Published byKadokawa Shoten
ImprintKadokawa Comics A
MagazineMonthly Shōnen Ace
Original runJune 26, 2020 – present
Volumes9
Anime television series
icon Anime and manga portal

Isshiki-san wa Koi o Shiritai (一式さんは恋を知りたい。; lit. 'Isshiki-san Wants to Know About Love') is a Japanese manga series written and illustrated by Ayune Araragi. It was originally serialized under the title Rinna Keibu wa Kokyū ga Dekinai (リンナ警部は呼吸ができない) in Ichijinsha's Monthly Comic Rex magazine between October 2016 and December 2017, with its chapters being collected into three volumes. It was then relaunched in Kadokawa Shoten's Monthly Shōnen Ace magazine in June 2020, with its chapters collected into nine volumes as of October 2025. An anime television series adaptation has been announced.

Plot

[edit]

The series follows Rinna Miliford Isshiki, a genius police inspector who is nicknamed "Steel-Faced Rinna". Known for her serious demeanor, recently she had seen herself feeling flustered when she is around police detective Meishi Rokutanda. Although she aims to continue showing her steel-faced facade, she cannot help but fall for Meishi's kindness. Wanting to get over her conflicted feelings, she decides to accept Meishi's offer of them becoming engaging in a fake relationship.

Characters

[edit]
Rinna Miliford Isshiki (一式 リンナ ミルフォード, Isshiki Rinna Mirifōdo)
A police inspector known for her serious demeanor and high intelligence. She became a police inspector at the age of 17 thanks to her brilliance, having graduated at the top of the class. She is nicknamed Steel-Faced Rinna (鋼鉄のリンナ, Kōtetsu no Rinna) for her personality. She does not want to show her feelings to others, but finds difficulty in doing so after developing feelings for Meishi.
In Rinna Keibu wa Kokyū ga Dekinai, her name is Rinna Miliford (リンナ・ミルフォード, Rinna Mirifōdo), a police inspector working for the London police force.
Meishi Rokutanda (六反田 メイシ, Rokutanda Meishi)
A police detective and one of Rinna's subordinates. He becomes the object of Rinna's affection and offers to have a fake relationship with her to help her sort out her feelings.
In Rinna Keibu wa Kokyū ga Dekinai, his name is Meishi Leland (メイシ・リーランド, Meishi Rīrando), a detective working in London.

Media

[edit]

Manga

[edit]

The series was originally serialized under the title Rinna Keibu wa Kokyū ga Dekinai in Ichijinsha's Monthly Comic Rex magazine between October 27, 2016, and December 27, 2017. The series featured similar characters, but was set in London instead of Japan. The series was compiled into three tankōbon volumes between April 27, 2017, and January 27, 2018.[2]

Ayune Araragi relaunched the series in Kadokawa Shoten's Monthly Shōnen Ace magazine on June 26, 2020. The first tankōbon volume was released on December 25, 2020;[3][1] nine volumes have been released as of October 2025.[4]

Volumes

[edit]
Rinna Keibu wa Kokyū ga Dekinai
[edit]
No. Release date ISBN
1 April 27, 2017[5]978-4-7580-6658-7
2 January 27, 2018[6]978-4-7580-6685-3
3 January 27, 2018[7]978-4-7580-6705-8
Isshiki-san wa Koi o Shiritai
[edit]
No. Release date ISBN
1 December 25, 2020[3]978-4-04-110932-8
2 June 25, 2021[8]978-4-04-111476-6
3 January 26, 2022[9]978-4-04-112199-3
4 August 26, 2022[10]978-4-04-112200-6
5 April 26, 2023[11]978-4-04-113628-7
6 November 25, 2023[12]978-4-04-114357-5
7 September 27, 2024[13]978-4-04-115390-1
8 April 25, 2025[14]978-4-04-116139-5
9 October 23, 2025[4]978-4-04-116694-9

Anime

[edit]

An anime television series adaptation was announced on October 17, 2025.[15]

Reception

[edit]

The series ranked fifth in a poll by the anime website Anime! Anime! on what manga series respondents wanted to see animated.[16]

References

[edit]
  1. ^ a b 鋼鉄の二つ名持つエリート女性が恋でドキドキ「一式さんは恋を知りたい。」1巻. Comic Natalie (in Japanese). Natasha, Inc. December 26, 2020. Retrieved September 30, 2025.
  2. ^ 一迅社WEB | インフォメーションポータル | 書籍情報 | レーベル既刊一覧 | リンナ警部は呼吸ができない (in Japanese). Ichijinsha. Retrieved September 30, 2025.
  3. ^ a b 一式さんは恋を知りたい。 （１） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  4. ^ a b 一式さんは恋を知りたい。 （9） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  5. ^ リンナ警部は呼吸ができない (1) (in Japanese). Ichijinsha. Retrieved September 30, 2025.
  6. ^ リンナ警部は呼吸ができない (2) (in Japanese). Ichijinsha. Retrieved September 30, 2025.
  7. ^ リンナ警部は呼吸ができない (3) (in Japanese). Ichijinsha. Retrieved September 30, 2025.
  8. ^ 一式さんは恋を知りたい。 （２） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  9. ^ 一式さんは恋を知りたい。 （３） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  10. ^ 一式さんは恋を知りたい。 （４） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  11. ^ 一式さんは恋を知りたい。 （５） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  12. ^ 一式さんは恋を知りたい。 （６） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  13. ^ 一式さんは恋を知りたい。 （７） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  14. ^ 一式さんは恋を知りたい。 （８） (in Japanese). Kadokawa Corporation. Retrieved September 30, 2025.
  15. ^ Loo, Egan (October 17, 2025). "Isshiki-san wa Koi o Shiritai Romantic Comedy Manga Gets TV Anime". Anime News Network. Retrieved October 17, 2025.
  16. ^ アニメ化してほしいマンガは？【未完結作品編】「乙女ゲー」「恋した人は…」「幼稚園WARS」…コミカライズ作品が続々！＜24年上半期版＞. Anime! Anime! (in Japanese). June 27, 2024. Retrieved September 30, 2025.
[edit]