back number - 水平線 https://youtu.be/iqEr3P78fz8 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿ Original：back number https://www.youtube.com/@backnumberchannel https://x.com/backnumberstaff Vocal, Guitar, Mixing：翔吏 https://www.youtube.com/@shori_music https://x.com/shori_music_ Movie：RAYT https://www.youtube.com/@rayt011nero https://x.com/rayt011nero