One day, a huge unidentified monster appeared all over the city, causing confusion in Korea. Jjang-dol, who lost his job due to the monster attack, wants to escape by selling ‘Stress Zero’ with his friends Dr. Ko and Ta-jo, but finds out that the drink is the only secret to stop the monster! Will Jjang-dol and his friends, who suddenly became heroes, catch the monster and save the world?
| Directing | Lee Dae-hee | Director |
| Art | Lee Dae-hee | Storyboard Artist |
| Art | Choi Han-i | Storyboard Artist |
| Art | Kim Dae-won | Storyboard Artist |
| Art | Jo Jung-deok | Storyboard Artist |
| Visual Effects | Kyung-goo Kim | Animation |
| Art | Lee Hyun-joong | Conceptual Design |
| Art | Lee Dae-hee | Conceptual Design |
| Visual Effects | Lee Dae-hee | Character Designer |
| Art | Jo Yeon-joo | Background Designer |
| Art | Lee Dae-hee | Background Designer |
| Art | Kim Haru | Background Designer |
| Art | Go Won-sang | Background Designer |
| Art | Park Jae-cheol | Background Designer |
| Art | Jo Yeon-joo | Prop Designer |
| Art | Kim Haru | Prop Designer |
| Visual Effects | Lee Dae-hee | Mechanical Designer |
| Visual Effects | Go Won-sang | Mechanical Designer |
| Visual Effects | Jo Jung-deok | Mechanical Designer |
| Art | Song Je-ho | Title Designer |
| Visual Effects | Go Min-seon | 3D Modeller |
| Art | Gang Gil-ho | Title Designer |
| Art | Gang Gil-ho | Storyboard Artist |
| Visual Effects | Baek Hye-jin | 3D Modeller |
| Visual Effects | Kim Seok-dong | 3D Modeller |
| Visual Effects | Sing Yu-cheol | 3D Modeller |
| Visual Effects | Baek Hye-jin | Simulation & Effects Artist |
| Visual Effects | Kim Seok-dong | Visual Effects |
| Visual Effects | Go Min-seong | Visual Effects |
| Lighting | Lee Ki-nam | Lighting Design |
| Lighting | Cha Hyun-jun | Lighting Design |
| Lighting | Yoo Young-hun | Lighting Design |
| Visual Effects | Jeong Deok-young | Compositing Artist |
| Production | Hau Jeong | Production Manager |
| Crew | Song Seung-hee | Systems Administrators & Support |
| Visual Effects | Gong Jin-yeo | Visual Effects |
| Editing | Gang Gil-ho | Editor |
| Editing | Park Gyu-ri | Editor |
| Editing | Lee Dae-hee | Editor |
| Sound | Ryu Hoe-cheon | Music Director |
| Sound | Ryu Hee-cheon | Original Music Composer |
| Sound | Lee Yo-seop | Original Music Composer |
| Sound | Lee Yo-seop | Musician |
| Sound | Ryu Hee-cheon | Musician |
| Sound | Ryu Hee-cheon | Music |
| Sound | Lee Yo-seop | Music |
| Sound | Ryu Hee-cheon | Music Sound Design and Processing |
| Crew | Ryu Hee-cheon | Post Production Supervisor |
| Sound | Lee Ju-mi | Sound Effects Editor |
| Sound | Choi Hyung-min | Sound Designer |
| Sound | Ryu Hee-cheon | Sound Designer |
| Sound | Park Dong-ju | Sound Mixer |
| Writing | Lee Dae-hee | Writer |