
Quick answer — Kouji Watanabe worked on Golden Kamuy Season 3 (Prop Design), Space Brothers (Mechanical Design), Date A Live II: Kurumi Star Festival (Animation Director) and 8 more anime.
Kouji Watanabe worked on Golden Kamuy Season 3 (Prop Design), Space Brothers (Mechanical Design), Date A Live II: Kurumi Star Festival (Animation Director), One-Punch Man Season 2 OVA (Animation Director), Date A Live III (Character Design), Date A Live Mayuri Judgement (Character Design), Trapezium (Prop Design), World Conquest Zvezda Plot (Prop Design) and 3 more.