
Quick answer — Kenichi Kasai worked on Bakuman. 3 (Director), Major S5 (Assistant Director), Major S6 (Assistant Director) and 16 more anime.
Kenichi Kasai worked on Bakuman. 3 (Director), Major S5 (Assistant Director), Major S6 (Assistant Director), Bakuman. 2 (Director), Major S1 (Director), Major S3 (Director), Major S4 (Assistant Director), Nodame Cantabile (Director) and 11 more.