Junnosuke Nakano participated as a trialist in Tokyo Esperion FC’s youth tryouts, where he crossed paths with Ashito Aoi. Amidst the competitive atmosphere, he forged a camaraderie with Ashito, setting himself apart from rivals like Akinori Kaneda, whose confrontational demeanor marked other interactions. Post-trials, Nakano aligned with Tokyo Musashino FC, Esperion’s direct competitor, though his precise role and contributions within the squad remain unspecified in existing records.