While attending Tokyo Announce Gakuin, Satō was selected to be in the seventh line-up of assistants (Big Bang Grand Prix V) on Miki Tomokazu's Radio Big Bang.
Saat menghadiri Tokyo Announce Gakuin, Satō terpilih untuk berada di jajaran asisten ketujuh (Big Bang Grand Prix V) di Radio Big Bang Miki Tomokazu.