Tokyo Ghoul - Season 2 - Eps 4: Deeper Layers
Aogiri commences their invasion of Cochlea and free a majority of the imprisoned ghouls while Amon and Akira visit the prison to learn more about Aogiri's plan from Donato Porpora. Amid the battles between the CCG, Cochlea security and ghouls, Kaneki meets a ghoul named Orca with orders to break him free, but is attacked by him instead.
About Tokyo Ghoul

Title: Tokyo Ghoul
First Air Date: 2014-07-04
Last Air Date: 2018-12-25
Status: Ended
Rating: 8.302/10 (from 2336 votes)
Language: JA
Seasons: 5
Total Episodes: 48
Network: Tokyo MX
Genres: Animation, Drama, Sci-Fi & Fantasy
Production Companies: Pierrot, Marvelous, TC Entertainment
Synopsis
Ken Kaneki, a bookworm college student, meets Rize, a girl his own age with whom he shares many interests.
Cast

Natsuki Hanae
Ken Kaneki (voice)

Sora Amamiya
Touka Kirishima (voice)

Shintaro Asanuma
Nishiki Nishio (voice)

Takahiro Sakurai
Uta (voice)

Sumire Morohoshi
Hinami Fueguchi (voice)

Yuuya Uchida
Arata Kirishima (voice)