Keina Suda (born January 20, 1993) is a Japanese singer-songwriter active since 2013 whose work spans J-pop, the Vocaloid scene, and anime music. He first drew attention under the pseudonym balloon by posting Vocaloid songs, and in April of that year he uploaded his first work, "造形街", to Nico Nico Douga. In 2016 he released "シャルル", which became one of his best-known songs through numerous covers. In 2017 he announced the start of his singer-songwriter activities under his own name, Keina Suda, and he later became associated with A-Sketch.
As Keina Suda, he released his first album Quote on January 31, 2018. On March 16, he held his first one-man live, "Quote", at Shibuya WWW. He made his major debut with the EP teeter in 2019, and later that year released the EP porte, which included "veil," the first ED of "Enen no Shouboutai".
His anime work also includes "メロウ," the OP of "Skip to Loafer". Later projects included the album LOVE HATE, the music videos for its prologue track "Akumu" and for "Nina", and a one-man show at SGC HALL ARIAKE.
