Kouichi Naoyuki (直之幸一 Naoyuki Kōichi) is one of the main characters of the Daydream Heroes' Series. He is a 17 year-old Japanese American who's a childhood friend Alec Anderson. He's the third person who received the Player Driver and become Scars.



Kouichi Naoyuki is portrayed by Win Morisaki, who is famously known for the role Daito from the movie Ready Player One.