Wataru Kuon (久遠 渡, Kuon Wataru?) is a former member of Team Z.

Kuon betrayed the team in the middle of the First Selection in interest of his own singular survival. He was later a factor in Team Z winning the last game of the Selection when he threw away his self interest in favor of his team when he saw how amazing they were against the strongest team in the stratum.

Kuon was eliminated in the Second Selection. At the beginning of First Selection, Kuon is the main brain of Team Z and helps organize them and create many strategies due to his experience in starting a football club at his high school. When he genuinely cares, Kuon puts a 100% effort into football but when he is thinking only of himself he only puts in as much effort as it takes to get the information he needs so he can use it to his advantage and move in. His genuinely nice personality fooled Team Z for most of a game before someone realized Kuon had betrayed them. 

Kuon's nice personality is actually a facade, he is machiavellic and ruthless, capable of betraying his own teammates in order to advance in Blue Lock. He refuses to play as a team and trusts no one but himself. This is because in high school his friends and teammates didn't have the same ambition as he does and never took soccer as serious as Kuon does, after being eliminated with his team he swore that he will never let them drag him back. In Blue Lock, Kuon always aims for the best team and offers them to cooperate with him giving them information of his own team. Kuon also sees stupid and naive the way Team Z aims to win, telling to Isagi that they are stupid due to believing they will survive if they work as a team.

After Team Z draw against Team W, Kuon chooses to stay away and not doing anything for the team in their match against Team V since he is absolutely secure Team V will win. However, after witnessing how his teammates are facing toe-to-toe against Team V, the best team of their string, Kuon revives the passionate love he has for soccer and decides to help them one more time supporting and encouraging them to win. Despite this, he is aware that his past actions won't be spared and accepts that they can't trust him again.