Career
He is a vocalist for the dance group, Sandaime J Soul Brothers from Exile Tribe. In February 2010, Tosaka participated in Exile presents Vocal Battle Audition 2: Yume o Motta Wakamono-tachi est He went up to the final.
In September, Tosaka, with Ryuji Imachi, were passed the decision as vocalist for the third J Soul Brothers.
In September 27, he debuted in the Fantasy Goya-sai: Exile Tamashī. In November 10, Tosaka debuted in the single, "Best Friend"s Girl".
In 2014, his acting debut was in the film, Hot Road.