Bishoku Tantei Akechi Gorō

Izumi Kikuchi, 38 years old and single, is a humble food writer. She has been having an affair for 10 years, which she thought she had broken off, but has not. In Paris, Izumi meets the most powerful and unconventional woman CEO in the world. Her name is Haruko Nakajima. This strong woman is going to create a storm in Izumi's stagnant life...!
(Source: Shueisha, translated)

Manga adaptation of the "Saikou no Obaasan Nakajima Haruko" novels.

Note: Includes 4 extra chapters.

The entire story begins and ends with food?! The handsome detective's thrilling case files!

(Source: Cocohana, translated)

Note: Included in Volume 1 of the main series, Bishoku Tantei Akechi Gorou, as a prologue chapter "menu 00".