By chapter 20, Rein has fully transitioned into his life as an adventurer , having already secured contracts with multiple members of the strongest races.

: The narrative focus shifts from mere survival to Rein essentially building a "new" hero party that is far more efficient and morally grounded than the one that exiled him. Beast Tamer Manga Volume 4

: As of the events leading up to and during chapter 20, the original Hero party starts to realize the tactical gap Rein left behind. They treated him as a "logistics" worker, failing to see that his animal reconnaissance and utility were what actually kept them alive. Plot Trajectory in Chapter 20

In the series Yuusha Party wo Tsuihou sareta Beast Tamer, Saikyoushu no Nekomimi Shoujo to Deau (commonly known as Beast Tamer ), the story follows Rein Shroud, a beast tamer who is expelled from the Hero’s party after being deemed useless.