Hakata Tonkotsu Ramens 7 (博多豚骨ラーメンズ 7) is the 7th light novel of the series. It was published on July 25, 2017.
The whereabouts of Zenji Banba is left unknown whilst a series of drugging-robberies targeting women occur. Xianming Lin although worried for his companion goes undercover in pursuit of the robbers with the help of Sayuri. Enokida meanwhile receives new information: something related to a homicide that happened in Hakata thirteen years ago. And at last a lost spirit from the past comes back for Banba. Danger draws near the strongest killers! 
|Prologue||Seasonal Opening Ceremony|