Quick answer — Kenichi Ishikura worked on Gun x Sword (Episode Director), Sakura Trick (Director), I’m a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic (Director) and 3 more anime.
Kenichi Ishikura worked on Gun x Sword (Episode Director), Sakura Trick (Director), I’m a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic (Director), IS: Infinite Stratos 2 - World Purge-hen (Storyboard), Infinite Stratos 2 (Storyboard), Boushoku no Berserk 2nd Season (Director).
