
Quick answer — Rémy Boisseuil worked on That Time I Got Reincarnated as a Slime Season 4 (Art Design), That Time I Got Reincarnated as a Slime Season 3 (Art Design), That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (Prop Design) and 1 more anime.
Rémy Boisseuil worked on That Time I Got Reincarnated as a Slime Season 4 (Art Design), That Time I Got Reincarnated as a Slime Season 3 (Art Design), That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (Prop Design), That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (Art Design).