Jelasin soal Toki (sepur)  dalam bahasa jawa dong

yaiku layanan sepur Shinkansen kacepetan dhuwur sing dioperasikake dening East Japan Railway Company (JR East) ing Joetsu Shinkansen ing Jepang.

Jeneng kasebut dijupuk saka jeneng Jepang nipponia nippon, sing misuwur Niigata.