एपिसोड लिस्ट

Rookie ninja Kuro Kumogakure is ordered to infiltrate a local high school.

Kuro is assigned to track down a criminal who castrates people who urinate in public.

Kuro enlists a long string of contacts to track down a bra thief.

A Russian man causes a ruckus so ninjas are sent to capture him.

Kuro begins to investigate or search for something in order to find a ninja, and then a lot of strange things and twists happen that draw a chain and a new structure of events. Kuro goes to school and takes revenge on his teenage friend, and then comes difficulties, a new mission, secrets become clear, and the world expands.