Requiem of the Rose King - Season 1 - Eps 16: The devil has the devil's way.
Richard and Buckingham embark on a majority-rule maneuver to gain the throne. It creates more suffering for Catesby, who has been trying to protect Richard while serving Hastings. Who is his loyalty truly for? Meanwhile, Hastings and the Queen Mother are planning a service for King Edward V. The service would publicize and solidify Elizabeth's power if held, and now Richard is gradually pushed into a position of inferiority.
About Requiem of the Rose King

Title: Requiem of the Rose King
First Air Date: 2022-01-09
Last Air Date: 2022-06-26
Status: Ended
Rating: 4.9/10 (from 8 votes)
Language: JA
Seasons: 2
Total Episodes: 24
Network: Tokyo MX
Genres: Animation, Drama, Action & Adventure
Production Companies: J.C.STAFF, Lantis, Bandai Namco Arts, Hakuhodo DY Music & Pictures, Akita Shoten, Bandai Namco Live Creative
Synopsis
The crown of England has been hotly contested throughout history, and in the Middle Ages, a series of great civil wars became known as the War of the Roses. Claiming a right to the throne, the Duke of York seeks to unseat King Henry VI and his heir in order to become king himself.
Cast

Mitsuki Saiga
Richard (voice)

Hikaru Midorikawa
Henry (voice)

Show Hayami
Richard, Duke of York (voice)

Kohsuke Toriumi
Edward (voice)

Yasuaki Takumi
George, Duke of Clarence (voice)

Satoshi Mikami
the Earl of Warwick (voice)

Satoshi Hino
William Catesby (voice)

Sayaka Ohara
Queen Margaret (voice)

Kohei Amasaki
Edward of Westminster (voice)

Hochu Otsuka
narration (voice)