He belongs to the label Unborde, a sublabel of Warner Music Japan.
Keina Suda started playing drums in junior high.
He wanted to be a studio musician and went to Kunitachi College of Music, but soon after dropped the drums in favor of the guitar.
[2] In January 2018 he released his first album under the name Keina Suda, titled Quote.
His single "Mellow" (メロウ) was the opening theme song of the 2023 anime Skip and Loafer.