Michael Kaiser is a 19-year-old German man, with blond hair and blue eyes. He has a half-finished tattoo of a blue rose wrapped around his entire arm. He had a difficult childhood filled with abuse and loneliness; his father was an alcoholic, his mother had abandoned him when he was young, and he suffered physical abuse. Michael is a very distrustful person, having just escaped the cycle of abuse from his father. The only things that seem to interest him are improving as a footballer and learning about psychology. He is cold and distant, too hard on himself Michael didn't seem to care much about interacting with others, but with Mary he seemed to feel differently. He remained cold, but it was noticeable that he had a certain affection for her, Mary being one of his few trusted people. He is more of a joker and more confident, even quite mocking at times.

Isagi Yoichi is a 17-year-old boy who is 1.77 meters tall. He has short, dark blue hair and eyes of the same color. Isagi was born into a peaceful environment in Japan, with his parents. His greatest aspiration is to become the number 1 striker, like his idol Noel Noah. Isagi is a standout striker in the Blue Lock project.He is a cheerful and easygoing boy, although on the field he can get a little out of control and take a more aggressive attitude .