Puer, AdelHard – 올인 (ALL IN) (Prod. HOWOW)
Track 04 from EP "Time Buyer 2"
Release Date: 2021.11.03
Puer, Halsoon – Sing this song (Prod. HOWOW)
Track 04 from EP "Time Buyer"
Release Date: 2021.04.12
Rui Bin (루이빈), Puer, 임프 (Wimp) – Glass
Track 02 from EP "Time Buyer"
Release Date: 2021.04.12