Jelaskan Lagu dari Nanairo no Ashita: Brand New Beat / Your Color

"Nanairo no Ashita ~brand new beat~"

"Nanairo no Ashita ~brand new beat~ (TV Mix)"

"Nanairo no Ashita ~brand new beat~ (PV)"

"Nanairo no Ashita ~brand new beat~ (PV- Dance Version)"