The 21-year-old made his global debut for Japan in June 2017 and has won 10 caps, scoring twice.
Talks over a possible deal first began in September, when director of football Victor Orta revealed Leeds were close to confirming a "big surprise" arrival from Asia.
'Chelsea's spot kick was farcical, I knew it was coming'
But it would be Bellerin who had the final say in the dying seconds as he bagged a late leveller to earn a share of the spoils. In Wednesday at the Emirates Stadium, the most thrilling match between the Gunners and the Blues finished with 2 - 2 goals .
Leeds United have announced the signing of Gamba Osaka midfielder Yosuke Ideguchi for an undisclosed fee.
He is then expected to fight for his place in the first-team by the beginning of next season.
So, it begs the question - why loan out a player who will be playing in the World Cup in Russian Federation when the cracks are starting to show that previously proved costly for a club and a fan base that is desperate to return to the Premier League?
Flight of the Conchords to Reunite for HBO Comedy Special in May
Nine years after their hit comedy series ended, New Zealand's Flight of the Conchords are returning to television. HBO confirmed on Friday that the "something" was the comedy special, which will premiere on the network in May.
Despite that, the midfielder is moving on a half-season loan to Spanish second division side Cultural Leonesa, a club who like Leeds are connected to Qatar's Aspire Academy.
Originally, the move to Spain seemed the only viable option for Ideguchi, as it was believed the 21-year-old would struggle to obtain a work permit under FA rules.
Leeds, now occupying the final Championship play-off spot after winning 13 of their 26 league matches this term but are out of the FA Cup after suffering a shock third-round loss away to League Two Newport County on Sunday, have already signed 19-year-old Finnish defender Aapo Halme from HJK Helsinki this month, although he is mainly expected to feature for the Under-23s.
Wi-Fi Alliance announces WPA3 encryption protocol
Evolving security threats call for change in network security standards, which is why WPA3 has been so highly anticipated. WPA2 uses the four-way handshake to authenticate data exchange by facilitating the process of creating encryption keys.