[citation needed] Kanta Sato was born on June 16, 1996, in Tsushima (Fukuoka Prefecture), Japan, where he lived until the age of 7.

[3] The Rampage from Exile Tribe's Shogo Iwaya and Hokuto Yoshino were his classmates in high school.

[4] Sato aimed for the entertainment industry after watching the movie Extremely Loud & Incredibly Close when he was in Junior high school.

[3] In 2013, he participated in the EXPG National Academy Audition in the model department of the Fukuoka branch and passed, which led him to learn dancing.

On 16 June 2021, he released his first personal book titled "Next Break", with one of the four photographers involved being his actor friend Takumi Kitamura.