The Yamagasa Festival, one of the three biggest festivals of Hakata, is in full swing. Banba, born and raised in Hakata, is taking time off work to celebrate. The ace assassin of a contract killer agency Saruwatari has developed a distaste for work he does not find challenging. He decides to quit and move Hakata where there is more competition. As soon as he arrives, Saruwatari’s partner from high school Nitta calls out to him. Nitta works as an assassination consultant and wants to utilize Saruwatari’s skills, but...
Eventually, one of their organizations will 
take note of the mystery ninja hitman.
في نهاية المطاف، إحدى منظّماتهم ستلاحظ
القاتلَ المأجور النينجا الغامض
Dann wird eine der Organisationen
schon vom mysteriösen Ninja erfahren.
Al final, una de sus organizaciones
reconocerá al ninja misterioso.
Al final, una de sus organizaciones
reconocerá al ninja misterioso.
Une organisation remarquera bientôt
le mystérieux ninja tueur.
Prima o poi qualche organizzazione inizierà
 a tenere d'occhio questo misterioso assassino ninja.
Uma hora, uma das organizações vai
notar o misterioso assassino ninja.
И со временем одна из компаний
заметит загадочного киллера-ниндзя.