
Quick answer — Kouhei Okamoto worked on The Genius Prince's Guide to Raising a Nation Out of Debt (Assistance), GOBLIN SLAYER -GOBLIN’S CROWN- (Assistance).
Kouhei Okamoto worked on The Genius Prince's Guide to Raising a Nation Out of Debt (Assistance), GOBLIN SLAYER -GOBLIN’S CROWN- (Assistance).