Legend of Komori

The Batfamily receives a tip about some suspicious activity in Crime Alley, not unheard of..., but when it turns out to be a new vigilante the bats scramble to figure out 'Komoris' alliances and who exactly they are.
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After coming home to Gotham city from the Shinobi monastery in Japan, where he completed his coming-of-age training as a part of a long bloodline of shinobi, Niruka and his estranged friend Riko decide to put his new skills to good use as Gotham's newest crimefighter.