The 20-year-old, who has already earned senior international recognition with two caps for Japan, is set to link up with Spurs next month and will be integrated directly into Thomas Frank's first-team squad ahead of the 2025–26 season.
Takai made his international debut in a World Cup qualifier against China in September 2024 and has been widely regarded as one of Asia's most promising defensive talents. His standout performances helped Kawasaki Frontale lift the 2024 Japanese Super Cup, and he was later honoured as the J-League's Best Young Player.
Standing at 6 foot and known for his aerial dominance, composure on the ball, and positional intelligence, Takai will add both youth and depth to a Tottenham backline already featuring Cristian Romero, Micky van de Ven, Kevin Danso, and Radu Dragusin.
While competition for centre-back spots will be fierce, Takai's arrival aligns with Tottenham's long-term recruitment strategy of targeting emerging international talent. His versatility and development ceiling are seen as key assets as Frank looks to balance experience with youth in his defensive setup.
Takai becomes Spurs' second signing of the summer and the club's first-ever senior acquisition from the Japanese top flight - a move that also strengthens Tottenham's growing commercial and scouting footprint in Asia.
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