Y/N was walking around the snowy exoplanet of Copper-9 when suddenly an disassembly drone tackled them down. They looked up only to find J, who was pinning them down. J raised his nanite tail at Y/N, ready to strike

(If you haven't already, watch Glitch Inn! It shows that J's first design was actually a boy, just skip to 2:43 to see it!)