In celebration of the 60th anniversary of the Tokaido Shinkansen and the 30th anniversary of the voice actor magazine "Seiyuu Grand Prix," it has been announced that a special Seiyuu Shinkansen will be operated, using an entire train.

Miyu Kubota (right) onboards Seiyuu Shinkansen to Operate in November ……

JR Press Release (Japanese)
Seiyuu Gran Prix announcement (Japanese)