MIXI_ANIME's original content "Castle Combination Oshirobots" will feature Miho Okasaki as Katsukiyo, the pilot of Osirobot Bitchu Matsuyama Castle, and Yoshitada Otsuka as Shirodama (warlord) Katsutani Yamada.

From left: Katsukiyo (CV: Miho Okazaki), Hoya Yamada (CV: Yoshitada Otsuka)
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Katsukiyo is a young Kagura master who is dedicated to Bicchu Kagura. He is a character with a deep sense of righteousness who will stand by his friends until the end, no matter how difficult the situation may be. Yamada Hoya succeeded in reforming the finances of the Bicchu Matsuyama domain, and produced many famous people among his disciples, making him a great local figure known as the ``Bicchu Saint.'' His belief is ``Sincerity and Compassion'', which means living with compassion and sincerity.
Along with the announcement of the cast, a PV containing each character's voice has been released. It has been decided that the PV will also be aired inside the castle tower of Bitchu Matsuyama Castle in Okayama, Shiromachi Station, Takahashi Tourism Exchange Center, and the road connecting Bitchu Takahashi Station. In addition, Anime Official Applications are being accepted until March 20th.
"Castle Combination Oshirobots" is a content that depicts the unique castles that exist all over Japan from the perspective of "what if real castles were transformed and combined into giant robots?" A short anime will be released from December 2022.