Red King is one of the side characters of the first Kaiju Girls anime.
Red King is based on a recurring Kaiju from the Ultra franchise.
Red King has a long hair styled as "twin drills".
Benio is a nice person, though most of the time, she will always act like a tough person. She also likes sweet food and cute things, but she doesn't want anyone to know about it
A skillful fighter and the former champion of Daikaiju Fight. Red King fights using primarily her strength to her advantage.
Red King was first seen on TV fighting and winning against Gomora in Daikaiju Fight.
- Official Illustration by: なまにくＡＴＫ(ニトロプラス)
- Red King and Gomora's character song is titled Kaiju: put your hands up! and it's sung by their voice actresses Hiromi Igarashi and Ayaka Suwa respectively.
- Benio owns a big Red King plush doll