What makes Fushizen na Girl/Natural ni Koishite by Perfume notable?

This album features tracks that became staples in Perfume's discography, contributing to their commercial success. 'Fushizen na Girl' charted highly on Japanese music charts, further cementing Perfume's influence in the synth-pop movement of the late 2000s and early 2010s. In 2010, Perfume was establishing themselves as a leading act in the J-pop scene with 'Fushizen na Girl/Natural ni Koishite', their follow-up to the breakthrough album 'Triangle'. This single marked a key moment in their career as they transitioned into mainstream success, showcasing their signature electropop sound and solidifying their impact on the genre.