The live-action adaptation of the popular manga 'Attack on Titan' has just released a new trailer, and this time it finally features the much awaited 3D gear maneuver.

'Shingeki no Kyojin,' as the manga is known in Japan, takes place in a future where the few remaining humans live inside enormous walls. The legend dictates that the walls were put up to protect the humans from the Titans, who are gigantic creatures that have developed a taste for human flesh. However, it has been over 100 years since humans have seen a Titan.

One day, a large Titan attacks the wall and reminds humanity that the war is not over.

The story revolves around Eren Jaeger (Haruma Miura), his sister Mikasa Ackerman (Kiko Mizuhara) and their friend Armin Arlert (Kanata Hongo). The three friends enlist into the Survey Corps, a group of soldiers who battle against the Titans outside the safety of the walls.

The new trailer shows the Survey Corps in action, using the 3D gear maneuver. The video is in Japanese, but a translation has been provided by ANN.

Narrator: Over 100 years ago...

Narrator: Most of humanity was consumed by the Titans who suddenly appeared.

Text: Titans who suddenly appeared, consuming humanity

Narrator: Civilization collapsed.

Narrator: The survivors of the war with these Titans erected giant walls three layers deep and kept the peace.

Narrator: But today, our invulnerable security no longer exists.

Text: The colossal live-action film adaptation project

Text: Creator: Hajime Isayama

Voice: The rumors were true.

Voice: They're immortal.

Text: Director: Shinji Higuchi

Text: Special Effects Director: Katsuro Onoue

Kubal: Why don't we take back the plundered city? To carry out this honorable operation, we offer our hearts!

All: We offer our hearts!

Mikasa: The world is cruel

Text: Why did the Titans appear...?

Voice: I want to know the truth about this world!

Voice: If we fail, humanity is doomed.

Voice: A Titans attacked Titans

Mikasa: Eren...

Text: Why does humanity fight...?

Voice: Let's go!

Voice: We're humanity's last hope!

Voice: I've never experienced anything like this!

Text: Challenge fate!

Mikasa: We promised, right?

Eren: Mikasa!

Voice & Text: Attack on Titan

Text: Is this world cruel?

Mikasa: We were together, always.

Text: Attack begins 8/1!!

Text: Part II 9/19

The first part of 'Attack on Titan' will be released in Japan on August 1, 2015. 'Attack on Titan: The End of the World' is scheduled to premiere on September 19, 2015.