KEY of SHINee released “Killer” (SM Ent.) – the repackage album of “Gasoline” – on February 13.

EKKO’s hitmakers participated in the following songs:

”Gasoline” co-produced & co-written by KENZIE and Moonshine
”Bound” co-produced by IMLAY
”Villain (feat. JENO of NCT)” co-produced by IMLAY
”Guilty Pleasure” co-produced & co-written by LDN Noise and DEEZ