Character profile
Kenji Koiso
小磯健二Biography
Kenji Koiso is a seventeen-year-old high-school student who is math-savvy and serves as a moderator of the online world OZ alongside his friend Takashi Sakuma. Less comfortable with people than with numbers, he is invited by Natsuki Shinohara to Sakae Jinnouchi's ninetieth birthday.
After receiving a cryptic code on his phone and solving it, Kenji becomes a suspect in the hacking of OZ.
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