Tokyu Corporation 6020 series Q SEAT, available from Tokyu Department Store online, 14th May 2020.
"We decided to nickname "Q SEAT" for the paid seat reservation service on the Oimachi Line, The service will start on Sunday December 14, 2018"
"We decided to nickname "Q SEAT" for the paid seat reservation service on the Oimachi Line, The service will start on Sunday December 14, 2018"