Quick answer — Mitsuru Kuwabata worked on The Duke of Death and His Maid Season 3 (Character Design), Hi Score Girl: Extra Stage (Character Design), Hi Score Girl II (Character Design) and 3 more anime.
Mitsuru Kuwabata worked on The Duke of Death and His Maid Season 3 (Character Design), Hi Score Girl: Extra Stage (Character Design), Hi Score Girl II (Character Design), The Duke of Death and His Maid Season 2 (Character Design), Hi Score Girl (Character Design), The Duke of Death and His Maid (Character Design).
