The Japan international spent the second half of last term in a loan stint at Bolton, with opportunities in Arsene Wenger's first team limited.
Ajax coach Frank de Boer is thought to be in the market for a new wide-man and missed out on Luciano Narsingh, who recently moved to rivals PSV from Heerenveen.
|THE DUTCH CONNECTION|
|16/1||Dennis Bergkamp is 16/1 with PaddyPower to be the next permanent Arsenal manager|
The decision is believed to be in the hands of Gunners boss Wenger, who will choose whether to keep him in north London or send him to Netherlands to earn more first-team playing experience.