• 'Attack on Titan' is a Japanese manga series written and illustrated by Hajime Isayama.

'Attack on Titan' is a Japanese manga series written and illustrated by Hajime Isayama. (Photo : YouTube/Roy Reviews)

"Attack on Titan" fans are expecting and eagerly waiting for the second season of the anime series, which is based on a manga series with the same title. Fans are expecting that "Attack on Titan" season 2 will be released first half of 2016; however, fresh reports indicate that the anime series is pushed back at a later date. It is said that second season of "Attack on Titan," also known as "Shingeki no Kyojin," will be released by the end of this year.

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It should be noted that Araki already announced during "Attack on Titan" Live action (Attack on Titan Part 1: Crimson and Arrow) press conference that the "Attack on Titan" season 2 will premiere this year, Anime News Network reported.

It is said that "AOT" Japanese director Tetsuro Araki is still waiting for additional story arcs of the manga series before moving forward with the anime adaptation "Attack on Titan" season 2. Since the hit anime series plans to stick to the contents of its manga counterpart written by Hajime Isayama, fans should strengthen their patience as the manga series still lacks two story arcs to fill "Attack on Titan" season 2.

Yibada already reported previously that manga policy requires at least four arcs per season. "Attack on Titan" season 1 already covered 34 chapters of the manga series, including its four story arcs - "The Fall of Shiganshina," "104thTrainees Squad," "Battle of Trost District" and "The Female Titan." Now, another four arcs should be completed before they could start the development of the second season.

The delayed release date of "Attack on Titan" season 2 may be a bit disappointing to some, but others took it positively. Aside from lacking of story arcs, another reason why the second season was pushed back is due to the negative feedback received by the two "Attack on Titan" live-action films. With that being said, the creators are now carefully planning the production of "Attack on Titan" season 2 as they don't want to repeat the same mistake happened to its live-action movie counterpart.

Fans should expect that the upcoming season of "Attack on Titan" will be exceptionally better than the first season.

"Attack on Titan" season 2 will follow the story of 104th Trainees Squad fights against the human-eating giants, called Titans. The upcoming season will unveil Eren's source of titan-capabilities, more humans turning into titans, the king being overthrown due to corruption and more. According to rumors, season 2 will focus on "Clash of Titans" story arc and an uprising led by Erwin Smith.

Watch "Attack on Titan" season 2 preview below: