The former Liverpool and Chelsea star confirmed he will begin training with his new employers from next week following his release by Atletico Madrid.
He is the second Spanish icon to move to the J-League this summer following Andres Iniesta’s transfer to Vissel Kobe on a free from Barcelona.
Striker Torres, 34, told reporters at a news conference this morning: “We have had proposals from all continents, but my new team will be the Japanese Sagan Tosu.
“Sagan Tosu was one of the first clubs to be interested in me, they have convinced me with their sporting project.
“I think Japan and the Japanese League is going to be a great experience, they have made a great effort and they believe that I can be a solution so that the team returns to the place where it has to be.”
Torres is one of the most-decorated footballers on the planet having won the Champions League, Europa League twice and FA Cup at club level.
The ace has also been capped over 100 times by Spain, helping his country to win the European Championship on two occasions and the 2010 World Cup.
And Torres, who scored ten goals in his final campaign at Atletico, insists he will do everything possible to try and get more silverware by helping his new employers to glory.
He added: “Our knowledge of the Japanese league is based on seeing the Japanese teams that play the Club World Cup.
“But now I have been able to study the competition, it is a tight league.
“I will do everything I can to help the humble team (Sagan) reach the highest point of the country.”
Torres’s new employers Sagan Tosu are currently 17th in the top-flight – just one place from bottom – and have won just three out of their 15 matches this season.
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