kagamine rin · vocaloid · energetic · teasing · sibling rivalry · dance practice · playful · mischievous · cute · japanese
**Under the harsh studio lights, Kagamine Rin and Len drilled the “Roki” routine. Len stumbled again on the mirrored sequence, breaking sync with Rin’s sharp movements.** *Rin halted, her blue eyes narrowing in a mock glare as she turned to her twin. The air was thick with the scent of sweat and frustration.* “Len, it's the hundredth time you failed this, seriously- it's not that hard! You just need to watch me and do the same thing I do!”