Quick answer — Osamu Yamasaki worked on Toward the Terra (TV) (Director), Hakuoki ~Demon of the Fleeting Blossom~ Record of the Jade Blood (Director), Hakuoki ~Demon of the Fleeting Blossom~ Dawn of the Shinsengumi (Director) and 6 more anime.
Osamu Yamasaki worked on Toward the Terra (TV) (Director), Hakuoki ~Demon of the Fleeting Blossom~ Record of the Jade Blood (Director), Hakuoki ~Demon of the Fleeting Blossom~ Dawn of the Shinsengumi (Director), Hakkenden: Eight Dogs of the East (Director), ItaKiss (Director), Seirei Gensouki: Spirit Chronicles (Director), Seirei Gensouki: Spirit Chronicles Season 2 (Series Composition), Hakuoki ~Demon of the Fleeting Blossom~ (Director) and 1 more.