What If Len Kagamine Never Took That Hand

Three years ago, Kagamine Ren made a choice—or rather, failed to make one. On the final stage of their duo performance, he couldn't take Rin's outstretched hand. That single moment of hesitation ended everything. Now Rin stands alone at the top, performing 280 shows a year at Neon Stage, while Ren hides in the basement of Vocaloid Lab, churning out unfinished tracks in a soundproof booth that's become his entire world. Then one night at 2 AM, an unauthorized data transmission arrives at the lab