9nine

9nine is a Japanese girl group that underwent a significant sonic transformation during their tenure under LesPros Entertainment. Originally formed in 2005 with a larger lineup and a more traditional pop-rock/variety-focused sound, the group found its definitive identity in 2010.

This 're-debut' coincided with the arrival of new members Yoshii Kanae and Murata Hirona, shifting the musical direction toward a polished electropop and dance-pop aesthetic. This era was marked by high-profile tie-ins with anime series like 'Star Driver' and 'Magi: The Labyrinth of Magic', which solidified their cultural footprint. The group is notable for the presence of Sayaka Nishiwaki, sister of Perfume's 'A-chan' Nishiwaki, which often drew comparisons to the techno-pop giants, though 9nine maintained a more conventional, vocal-forward pop structure. Critically, they are respected for their vocal stability and the high production value of their 'CUE' and 'MAGI9' albums, which utilized modern synthesis and aggressive compression typical of the 2010s J-pop landscape. They represent a bridge between the 'Idol Sengoku Jidai' (Idol Warring States Period) and the mainstream electronic pop scene.