The Japan international has been heavily linked with a move away from current club CSKA Moscow during the off-season.
The 27-year-old however, has admitted he is not quite sure what his future holds.
“I do not know what my next step will be,” he told the Japan Times. “But I have the opportunity to play for a big club.
“In August I'll know what the future holds.
“All I know at the moment is that if I do go to a top club, then I will become better as a player.
“Playing with great players would be good for my growth.”
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