Girl group Girl's Day has come back, and they're sexier than ever! Their lovely sexiness has evolved into a mature sexiness.

On January 3rd Girl's Day released their new song "Something"." Their husky voice and matured image is unfamiliar, but suits them well.

Girl's Day worked with Duble2Kick on their new song "Something," and the song leaves a deep impression on the listener. It has an enchanting feel like that of Um Jung Hwa's 1998 song "Invitation" and Park Ji Yoon's 2000 song "Coming of Age." The dreamy vocals that sing of love match the lyrics perfectly, and captivate the listener.

The music video likewise highlights the girls' matured sexiness. The video starts with a sad vibe, which is then turned around by the members' brilliant performance. The choreography emphasizes femininity, and the girls' facial expressions go along well with the changing lyrics.

What's most shocking about this new song is the girls' eye-catching attire. Their long skirts have longs side slits that split up to the upper thigh, which accentuates their slender bodies. The see-through attire reveals the waistline, which is feminine yet mature and sexy. The various dance moves involve the wave, or exposing their legs through the slits in their long skirts, or sitting on the floor and dancing with their legs. The choreography is quite unconventional and eye-catching, to say the least.

Girl's Day will have their comeback stage on KBS 2TV's "Music Bank."