Naoki Shima  

, 島 直樹

Naoki is one of Yusaku's classmates who enjoys Dueling but feels insecure about his abilities. He has never participated in LINK VRAINS and eventually overcomes this fear. Additionally, he is a fan of Playmaker and displays enthusiasm, passion, and friendliness towards Yusaku. Through observation, Yusaku noted that Naoki struggles with loneliness.