__Height:__ 168cm (5'6")

Ista is very caring of her older sister and her well being. She loves her sister deeply.

Ista feels uncomfortable at the sight of blood, especially when she was little. She is a very clumsy girl, a crybaby, a coward, and a worrywart. However, despite these traits, she is a hard worker and her willpower is superior to even Hyura's. She loves her sister more than anything else.

Her dream is to serve the Red Heavenly King, Vamirio, whom she greatly admires.

A certain country in the demon world. The Demon King was defeated by the hands of one of the heroes, and a competition was held for the title of the New Demon King. The Imperial Four Heavenly Kings Vermilio, who is in charge of the tournament, is furious at the participation of the human hero Helck, who is supposed to be her enemy. After receiving news of the fall of the castle of Urum before the final, Vermilio sets out to retake Urum Castle with Helck and other finalists. With a smile, Helck says, "Let's destroy humans." Are those words true? The truth behind the smile is... 
Notes: 
・The first and second episode premiered at Anime Expo 2023 on July 1.

(Source: HIDIVE)

__Agency:__ Toy's Factory

[ToysFactory Profile](https://www.toysfactory.co.jp/artist/harukashiraishi/) | [Blog](https://ameblo.jp/shiraishi-haruka/) | [Twitter](https://twitter.com/shiraharu48?s=09)

Haruka Shiraishi is a Japanese actress and voice actress. She was previously affiliated with Hirata Office, but is currently affiliated with Toy's Factory.

__Non-anime roles:__
- Rupee - Goddess of Victory: Nikke (VG)
- Folkwang - Goddess of Victory: Nikke (VG)
- Blücher - Azur Lane
- Agano - Azur Lane
- Le Malin - Azur Lane
- Erina - Tevi (VG)
- Grace Howard - Zenless Zone Zero (VG)

[Twitter](https://twitter.com/annie_inthewild)

Helck is the hero that defeated one of the Demon Kings, and in the wake of the Demon King's death, a new one must be declared. This is achieved through a fighting tournament, where the strongest becomes ruler. Vamirio, one of the Great Demon Kings, discovers that Helck is a participant for the tournament and is so far winning! What could be his motive? If a human becomes the next Demon King, what does that spell for the Demon kingdom?
