Modules for Kagamine Rin and Kagamine Len in the Project Diva game series, specifically named "Asymmetry R" and "Asymmetry L" respectively.
They are associated with the song Gemini by Dixie Flatline, designed by tama, and first appearing in Hatsune Miku -Project DIVA- 2nd.
The attire includes earmuffs, orange bowtie, black fur-trimmed jacket, black fur-trimmed boots and: