Rud, a shielder with a defense stat of 9999, serves as a tank for the Hero's Party as they carry out raids in labyrinths. When the tyrannical hero suddenly kicks him out of the party, saying his skill is "useless," Rud makes his way back to his hometown. Along the way, he saves a young girl, and she reveals the true nature of his skill... which turns out to be incredibly powerful!
| Directing | Mitsutaka Noshitani | Series Director |
| Writing | Hitomi Amamiya | Series Composition |
| Visual Effects | Taihei Nagai | Character Designer |
| Writing | Makoto Kisaragi | Comic Book |
| Writing | Ryuta Kijima | Novel |
| Visual Effects | Sando | Character Designer |
| Sound | Ireisu | Theme Song Performance |
| Visual Effects | Nami Inomata | Color Designer |
| Editing | Motoki Niimi | Editor |
| Sound | Yasunori Ebina | Sound Director |
| Camera | Tetsuya Nishimura | Director of Photography |
| Sound | Mao Yamamoto | Original Music Composer |
