At the livestream event of the television anime series Hoshi no Samidare (Lucifer and the Biscuit Hammer), 24 new casts were announced. New visuals were also introduced along with the official broadcast time.

The 24 newly announced actors include:
- MAO as Anima
- Tatsumaru Tachibana as Animus
- Shuuhei Iwase as Hangetsu Shinonome
- Gen Sato as Mikazuki Shinonome
- Tetsu Inada as Sōichirō Nagumo
- Aya Suzaki as Yayoi Hakudō
- Yoshitsugu Matsuoka as Hyō Shimaki
- Shunichi Toki as Tarō Kusakabe
- Chinatsu Hirose as Hanako Sorano
- Chihaya Yoshitake as Subaru Hoshikawa
- Moeha Nochimoto as Yuimachi Tsukishiro
- Mutsumi Tamura as Taiyō Akane
- Kazuhiro Yamaji as Inachika Akitani
- Shōya Ishige as ludo Shubarie
- Atsuko Tanaka as Muu
- Kentarō Kumagai as Dance Dark
- Hyousei as Shea Moon
- Nagisa Kakegawa as Coo Ritter
- Kazutomi Yamamoto as Lance Lumiere
- Ruriko Aoki as Kil Zonne
- Mitsuo Iwata as Lee Soleil
- Katsuji Mori as Ron Yue
- Manabu Muraji as Loki Helios
- Tetsuei Sumiya as Zan Amaru

Along with some other previously announced actors:
- Junya Enoki as Yuuhi Amamiya
- Naomi zora as Samidare Asahina
- Kenjiro Tsuda as Noi Crezant
- Azusa Tadokoro as Hisame Asahina

Yuuhi Amamiya is a young, misanthropic college student who one day wakes up to find a lizard on his bed. The lizard explains that Yuuhi has been chosen as a Beast Knight, a magical warrior destined to help a Princess defeat a Mage seeking to destroy the world with a giant mallet floating in space called the Biscuit Hammer. While Yuuhi initially is not interested in getting involved, he changes his mind when he meets the Princess, Samidare Asahina, who tells him her intent to defeat the mage and save the world so she can destroy the world herself instead.