In Fukuoka, crime reaches new heights in the seedy underworld. In the Hakata ward of the city, there are various individuals with special talent that... more>> consists of professional killers, detectives, informants, and professional revenge seekers. Among those a so-called "killer of professional killers" is becoming more than just an urban legend. Private detective Banba is on the case, but when he uncovers a dark conspiracy, it may be the one curveball he can't hit. <<less

A side story to Hakata Tonkotsu Ramens.... more>>

A collection of short stories across the whole timeline. Each chapter is an individual story and can be read separately.

**Timeline of the short stories are as follows:
Ch. 1 - between volumes 1 and 2
Ch. 2 - prequel (mentions of volume 6)
Ch. 3 - post-volume 8
Ch. 4 - post-volume 8
Ch. 5 - around volume 3 <<less