The story centers on Otarou, a creature themed around dirt known as a yogoremon. It and other yogoremon ask the meaning of words and explain negative terms in positive ways.
| Directing | Yuyama Sekine | Series Director |
| Visual Effects | Akiyasu Nishimura | Character Designer |
| Production | Takeshi Shimokawa | Producer |
| Crew | Teru Tsujinaka | Script |
| Production | Shogo Sato | Producer |
| Crew | Hiroaki Yoshida | Script |
| Visual Effects | Haruhisa Oya | Character Designer |
