Hakata Tonkotsu Ramens 8 (博多豚骨ラーメンズ 8) is the 8th light novel of the series. It was published on December 22, 2017.
While pursuing the traces of the drugging-robberies and Banba's disappearance, Xianming Lin and Enokida come across the tragic homicide from thirteen years ago, and with it the Banba's grand past hidden within it. Lin is caught searching for the truth behind the case as Banba's life is in peril. Meanwhile the heavily injured Banba awakens in the hospital only to vanish into the shadows once more. The men of the underground make a stand in the face of the strongest killer's crisis.
|05||Extra Tenth Inning|
|06||Extra Eleventh Inning|
|07||Extra Twelfth Inning|