The 15-year-old JGP Final winner is less than three points behind South Korea's Minkyu Seo in the men's competition at the World Junior Championships in Taipei.
En route to victory in the Junior Grand Prix Final, Nakata was spectacular from the start, landing a beautiful quadruple toe loop on his first jump.
Lim and Nakamura both got off to good starts in their short program routines in the Junior Grand Prix event at Kanku Ice Arena.
In the season-opening Junior Grand Prix in the Thai capital, Nakai and Nakata both achieved narrow victories over the second-place finishers.