Kasai Reiuji is a character used by ShodaiGoro.
Kasai looks a lot like her mom, but wears red instead of green, and her hair is darker. She retains the same orb on her chest, and wears the same gear as her, although her Third Leg is black, and only half as long.
Kasai's personality is a lot like her mom's, but smarter due to her shadowblood DNA, giving her more common sense. She has a sense of justice, and is quick to anger. Her personality is fiery, having a hot-blooded nature that shows best in battle. She also announces herself as the "Heir to the Power of Yatagarasu", which is true, seeing she can also use nuclear energy like her mother.
- Explosion Sign "Shadow Flare"
- Geothermal "Shadow Nuclear Geyser"
- Century King "Black Sun"
- Century King "Child of the Sun"
- "Abyss Nova"
- Kasai shares her mother's phrase, "Unyu".