Hakata Tonkotsu Ramens 5 (博多豚骨ラーメンズ 5) is the 5th light novel of the series. It was published on December 25, 2015.
In the city of Hakata a series of child abductions occur in the middle of celebrating its three large festivals. While still working through the various criminal profiles, Zenji Banba receives the request in investigating one of the recent child disappearances. As Xianming Lin joins Banba in his investigation and Jiro is hunted down by an underground group, a serial killer arises. Furthermore, wicked foes turn their eyes towards the young Misaki.
|Prologue||Seasonal Opening Ceremony|
|10||Extra Tenth Inning|
|11||Extra Eleventh Inning|
|Epilogue||Hero Interview + Winning Team Coach Interview|