A ninja school opened in Nagoya Castle in Nagoya's Naka Ward earlier this month, attracting tourists from at home and abroad.
Tourists can take an hour lesson from Hattori Hanzo and the Ninjas, a group of men and women dressed in ninja outfits and tasked with boosting tourism in Aichi, and receive a certificate as a ninja apprentice.
The group said they hope to attract 10,000 people to become "ninja apprentices."
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