
Quick answer — Kenta Tsuboi worked on D4DJ First Mix (Art Director), Tonari no Yokai-san (Art Director), Skeleton Knight in Another World (Art Director) and 3 more anime.
Kenta Tsuboi worked on D4DJ First Mix (Art Director), Tonari no Yokai-san (Art Director), Skeleton Knight in Another World (Art Director), PERSONA5 the Animation: Stars and Ours (Background Art), Jack-of-All-Trades, Party of None (Art Director), Plunderer (Art Director).