【Cover】Utatane Piko & Yan He
【COVER】Utatane Piko, Yan He & Nekomura Iroha — Happy×2 Days (Normal Ver.) 03:59
【COVER】Utatane Piko & Yan He — Yumemiru Kotori 03:38
【COVER】Utatane Piko & Yan He — Nì huò 03:59
【COVER】Utatane Piko, Yan He & Nekomura Iroha — Happy×2 Days (Rap Ver.) 03:59