Answer
The answer is the Taiga drama. Taiga dramas are historical dramas produced by NHK, Japan's public broadcasting organization. They are typically set in ancient or medieval Japan and feature a large cast of characters and elaborate sets. Ryunosuke has appeared in several Taiga dramas over the course of his career, including Shinsengumi! (2004), Taira no Kiyomori (2012), and Sanada Maru (2016).