Civilization has been destroyed by war and pollution, but the survivors have built the last city of Ecoban. As most natural resources have been exhausted, Ecoban is powered by pollution. The citizens of Ecoban need to continue creating this pollution leading them into conflict with the inhabitants of Marr while one man just wants to clear away the clouds and see the sky.
| Sound | Won Il | Original Music Composer |
| Writing | Moon-saeng Kim | Writer |
| Directing | Moon-saeng Kim | Director |
| Writing | Jun-Young Park | Writer |
| Art | Jeong Yun-cheol | Art Direction |
| Production | Kay Hwang | Producer |
| Production | Lee Gyeong-hak | Producer |
| Crew | Sam Spiegel | Additional Music |
| Art | Lee Seok-yeon | Production Design |
| Visual Effects | Yun Yeong-gi | Animation Director |
| Writing | Yun Yeong-gi | Storyboard |
| Writing | Jay Lender | Writer |
| Writing | Jeffrey Winter | Adaptation |
| Writing | Michael Keyes | Writer |
