the third promotional video of the anime 'The Vexations of a Shut-In Vampire Princess'' reveals its debut for 7 October

The official website for the television anime adaptation of Kotei Kobayashi's The Vexations of a Shut-In Vampire Princess (Hikikomari Kyūketsuki no Monmon) light novels revealed a third promotional video for the series on Friday. The video previews fripSide's opening theme song "Red Liberation".

The video also revealed that the anime will premiere on October 7 on Tokyo MX and BS-NTV. Additionally, the staff revealed three more cast members and a new visual. 

the cast:

• Tomori Kusunoki as Terakomari Gandesblood

• Sayumi Suzushiro as Villhaze

• Yōko Hikasa as Karen Helvetius

• Fairouz Ai as Nelia Cunningham

• Miyuri Shimabukuro as Karla Amatsu

• Manaka Iwami as Sakuna Memoir

• Sora Amamiya as Millicent Bluenight

• Reina Ueda as Melca Tiano

• Saku Mizuno as Tio Flat

the plot of the story: 

Shut-in vampire Terakomari, or Komari for short, awakens from her slumber to find she's been promoted to a commander of the army! The thing is, though, her new squad has a reputation for being violently insubordinate. And although Komari was born to a prestigious vampire family, her hatred of blood has made her the picture of mediocrity-scrawny, uncoordinated, and inept at magic. With the odds stacked against her, will the help of her trusty maid be enough for this recluse to blunder her way to success? 

Source: Anime! Anime!, Anime News Network