After School sub-unit�Orange Caramel will be returning to the music scene on October 13th with their latest track, "Shanghai Romance", and Nana was kind enough to share a small teaser of their new concept! Nana wrote,"Finally one week left. Aren't you curious about our concept this time around?^^ I'll give you a small hint. Whose back could this be?" The teaser showed the svelte figure of a mysterious girl, dressed in a sparkling silvery outfit. To emphasize the concept of 'Shanghai', a red, Chinese parasol was used as a prop. Meanwhile, the song has also been gaining attention for bringing on the songwriting talents of Super Junior's Kim Heechul. "Please look forward to how Orange Caramel interprets their own version of a "Shanghai Romance"," said a representative for Pledis Entertainment. Netizens were already hard at work in analyzing the picture. "Judging by her shapely thighs, I'm sure that it's Lizzy," claimed a netizen who apparently possessed detective skills. Orange Caramel returns on October 13th - stay tuned to allkpop for more! Source: Sports Chosun