Tokyo: A city full of dreams and desires. Even today, there's a band of ninja passing down the old techniques and carrying out missions, hidden from the eyes of the public. Blending into the darkness of the city, slaying inhuman darkness... People call them the Tokeshu.

Source: crunchyroll

Note: It was distributed on TV Tokyo's Animeteleto streaming service one week ahead of its TV broadcast.

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Other: Yami Shibai