The most common Korean word for “already” is 벌써 (beolsseo). There is one more word with a similar meaning — compare them below. 「already」는 한국어로 벌써.
so soon
TOPIK 2 · adverb
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato