嵐 - Happiness ft. Choreographers / Performed by Johnnys' Jr. [+81 DANCE STUDIO]+Music 嵐 『Happiness』 +Performed by 井上瑞稀 / Mizuki Inoue (HiHi Jets) 佐藤龍我 / Ryuga Sato (美 少年) 中村嶺亜 / Reia Nakamura (7 MEN 侍) 川﨑皇輝 / Koki Kawasaki (...www.youtube.com