back number [one room] 30分耐久用

backnumberさんのone roomです！
30分耐久用のやつを作りました！
良かったら仕事の合間や疲れた体を癒したい時に聴いてください！

I recommend this song,because I know this group makes a very good songs, but this is also one of the best songs!
Please listen to this song for 30minutes.