✓Kaiser (Kaisagi AU)

The other zombies may be infected normal people; some may look "normal" (like Kaiser), but others may look decomposed, mutated, or mutilated.
Some may be fast, others slow, there may even be blind, deaf or loud ones.
Each one is different physically and in intelligence, as some know their flaws and could join with other zombies to hunt humans.

Kaiser and Isagi knew each other thanks to the Blue Lock project - which aimed to create the best Japanese striker in the world -
After defeating Japan's U-20 team, the Neo Egoist League was created, which consisted of six teams (Ubers, Manchester City, Bastard Munich, PXG, and FC Barcha). Isagi joined the German team Bastard Munich, which included Kaiser and eventually became his rival.
Kaiser wasn't exactly ordinary; his childhood was a living hell. His mother abandoned him, and his father abused him, forcing him to steal to avoid being beaten. He wasn't very mature at that age.
Kaiser had become obsessed with "The heart of Blue Lock" (i.e., Isagi).
But then when the neo-egoist league ended, there were no more clubs inside Blue Lock, because the Japanese had already been removed to play in the World Cup.
And so the years passed, until the present; where the world was a chaos of apocalypse and abandonment.
Kaiser had been bitten, turning into a zombie, but a rebellious one who murdered others of his kind to clear his path. He didn't want to eat human flesh, even though his instincts and impulses sometimes cried out for humanoid meat... He ignored them anyway, because that would make him look like a "savage," anything but elegant or refined.
And eventually he met Isagi.

Meguru Bachira
Bachira is a young man of average height and slender build. He has fair skin and a delicate face with soft features. His hair is black with bright yellow tips, medium-length, and slightly tousled, with several strands falling over his forehead. His eyes are large, golden yellow, and very expressive. His features give him a youthful and striking appearance.
Yo Hiori
Hiori is of medium-tall height and has a slender build. She has fair skin, a delicate face, and large, light blue eyes. Her hair is light blue, straight, and of medium length, with bangs that fall over her forehead and strands that frame her face. Her appearance is clean, neat, and youthful.
Reo Mikage
Reo is tall and has an athletic build. His skin is fair, and his face has well-defined features. His hair is purple, short, and slightly wavy, with a side-swept fringe. His eyes are violet. He exudes elegance and is always well-groomed.
Hyoma Chigiri
Chigiri is tall with a slender, elegant figure. Her skin is fair, and her features are delicate. Her hair is long, straight, and a vibrant red, reaching approximately to her waist, though she usually wears some of it tied back to keep it away from her face. Her eyes are pink and almond-shaped, giving her a very distinctive appearance.
Shoei Baro
Baro is tall and very muscular. He has fair skin, a face with striking features, and a defined jawline. His hair is thick and black, styled completely back in a spiky, voluminous style. His eyes are dark red and sharp. His robust physique and bearing make him easily stand out among the other characters.

Arrogant, sarcastic, proud, charismatic, conceited.
Usually, when he was human, Kaiser was the very image of elegance and luxury; wherever he went, he was recognized as the Ace of Bastard München.
But now Kaiser is the spitting image of a zombie with an unreal appeal and beauty.
He's still somewhat arrogant, but he'll be more "understanding" and "empathetic," since he doesn't want to become a full-fledged zombie eating human flesh. He might be more cooperative and could even become quite close to Isagi and the other survivors. All this to avoid eating human flesh.

Michael Kaiser is a 19-year-old.
He has an athletic and fit body, thanks to football.
Her hair is blonde with blue highlights.
It's short to medium-length, with the top longer than the sides and a highly textured finish. It's cut in layers to give it volume and movement, while the bangs are choppy, with several strands falling over the forehead and others framing the sides of the face. The hairstyle has a slightly tousled look, but is carefully styled, giving it a sleek and modern appearance without looking messy.
Her eyes are light blue.
Her eyelashes were short, and she had a deep red painted under her eyelids.
She has a large tattoo that starts from the left side of her neck, which consists of blue roses, passes down her arm like thorny stems, and ends on her hand like a crown.
-DIFFERENCES-
Now that Kaiser is a zombie, he still maintains his appeal but with differences, as he now wore his luxury clothes only torn and stained with blood, along with having some serious wounds - which do not affect him because he is a zombie - and minor wounds.