During an event on Sunday, the Tokyo Ghoul anime cast presented a new promotional video for the original video anime (OVA) of Sui Ishida's Tokyo Ghoul: Jack prequel spinoff manga. They also announced that the new anime will debut this fall. The anime's official website and Twitter account presented screens from the video:

In Tokyo Ghoul: Jack , an incident involving a human-devouring Ghoul occurs in Tokyo's 13th Ward. To seek the truth behind what happened to his friend, the rebellious high school boy Taishi Fura pursues the Ghoul named Lantern with the young ace investigator Kishō Arima. The story follows how the ace investigator Arima and the talented 7th Ward investigator Taishi Fura first met.

A commercial for the Tokyo Ghoul: Jack anime and the Tokyo Ghoul stage play aired in March:

Text: News flash

Text: Tokyo Ghoul OVA's release green-lit

ext: I admired him, always...

Text: Don't put a hand on my friend!

Text: I really should have continued playing baseball

Text: I can't be satisfied with this

Text: I love the flesh in cheeks.

Text: I wonder if this is my punishment

Text: OVA Tokyo Ghoul: Jack. Coming soon...

Text: Tokyo Ghoul stage play adaptation green-lit!! July 2015 Tokyo & Kyoto

Tokyo Ghoul's original manga creator Sui Ishida serialized the Tokyo Ghoul: Jack manga in Shueisha's digital service Jump Live in 2013. The Tokyo Ghoul √A sequel television anime ended in March, and Funimation streamed the series as it aired.

Source: Animate.tv