KLEIN BLUE 作词 : Nine Band 作曲 : HOPERUI 编曲 : Nine Band/UM/HOPERUI VOCAL:HOPERUI MELODY:HOPERUI PIANO:HOPERUI KEYBOARD:HOPERUI SYNTH:HOPERUI PAD:HOPERUI,UM BASS:HOPERUI,UM DRUM:UM FLUTE:UM MIX:HOPERUI,UM