Kim Goeun (김고은), professionally known as GONEISBACK (고은이), is a South Korean rapper and producer. She debuted independently in 2022.

She participated in the 11th season of the popular rap reality show, Show Me The Money, and released the popular song “HOP ON THE TRUCK” in collaboration with other contestants. She has cited her influences as rappers Ahn Byeong Woong, and particularly, JUSTHIS, who she aspires to rap like one day.

As a producer, she has arranged and composed multiple songs on the collaborative project FLEEKY SEASON with artists Lil Moshpit and Fleeky Bang, as well as producing the song “Money Only Shows Hustle (M.O.S.H)”.