Not so much. He's 33 and I don't know if there's still something there. He had a good run anyway: not every Japanese player has featured in two of the top 5 European championship for a full decade.
It seems he is on his way back to Cerezo. He began following Cerezo Osaka's players on social media platforms, in addition to some reports in Japanese media strongly suggesting his return to Cerezo after 10 years in Europe.
Takashi Inui to Turkish club Gaziantep? https://qoly.jp/2021/08/11/inui-takashi-will-join-gaziantepspor-kgn-1