Quick answer — Ryouma Ebata worked on That Time I Got Reincarnated as a Slime Season 2 (Character Design), That Time I Got Reincarnated as a Slime Season 2 Part 2 (Character Design), That Time I Got Reincarnated as a Slime Season 4 (Character Design) and 8 more anime.
Ryouma Ebata worked on That Time I Got Reincarnated as a Slime Season 2 (Character Design), That Time I Got Reincarnated as a Slime Season 2 Part 2 (Character Design), That Time I Got Reincarnated as a Slime Season 4 (Character Design), That Time I Got Reincarnated as a Slime (Character Design), That Time I Got Reincarnated as a Slime Season 3 (Character Design), That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (Character Design), That Time I Got Reincarnated as a Slime: Visions of Coleus (Character Design), That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (Character Design) and 3 more.