Hello waa EP ugu horreeyay ee heesaaha Koonfur Kuuriya Joy. Waxaa la sii daayay Maajo 31, 2021 iyada oo loo marayo SM Entertainment, oo loo suuq geeyay si gaar ah. EP wuxuu ka kooban yahay lix heesood oo cusub oo heeso caan ah 1990s iyo 2000s, oo ay ku jiraan heesta cinwaanka "Hello" iyo hees horay loo sii daayay "Je T'aime". Intaas waxaa sii dheer, albumkan gaarka ah, tiro badan oo muusikiisteyaal sarsare ayaa kaqeyb qaatay sida Kenzie, Hwang Seong-jae, Hwang Hyeon, MinGtion, Park Moon-chi, iyo Lundi Blues.