
Quick answer — Kouji Yamakawa worked on Strike Witches 2 (Chief Animation Director), Date A Live III (Chief Animation Director), Hatsukoi Limited (Prop Design) and 2 more anime.
Kouji Yamakawa worked on Strike Witches 2 (Chief Animation Director), Date A Live III (Chief Animation Director), Hatsukoi Limited (Prop Design), Strike Witches (Chief Animation Director), Battle Girls: Time Paradox (Character Design).