The Standard Disclaimer regarding Metroanime and others who have contributed to the pokegirl concept applies.
Also, the Mutio seen here is taken pretty much directly from the Anime Blue Sub. #6.
AU: Terrence is a young Tamer from Indigo, and this is his first day on the job.
This is set into a significantly AU 'verse, in that 'verse's Indigo League. Many things in this story won't work quite the same as in canon, including taming, ferals, and technology.
Mutio are a rather common pokegirl in this.