
Quick answer — Ken Kawai worked on Fairy Tail Final Season (Art Design), Tennis no Ouji-sama: Zenkoku Taikai-hen Semifinal (Art Director), Bad Girl (Art Design) and 1 more anime.
Ken Kawai worked on Fairy Tail Final Season (Art Design), Tennis no Ouji-sama: Zenkoku Taikai-hen Semifinal (Art Director), Bad Girl (Art Design), Talentless Nana (Art Design).