Def.
Def. is an alias of Jay B, Korean singer and leader of the Korean boy group
GOT7. Born Lim Jaebeom on January 6, 1994 in Shiheong, Korea, the singer debuted
as Def. on October 18, 2021 with "Is It A Dream." In 2022, he released two EPs,
Love. and abandoned love., and "Will spring come?" and after three years of
hiatus, released "FALL AGAIN" in 2025. 2018.12.25 is his first full album as
Def. which came in September 21, 2026, and one that entered the worldwide Top
100 albums K-pop chart at rank 27 the day it was released.
