Meanwhile, ARTA retains the services of Tomoki Nojiri and Nirei Fukuzumi, Real Racing keeps Koudai Tsukakoshi and Bertrand Baguette and Nakajima Racing will continue with Takuya Izawa and Hiroki Otsu.
Sato, Nattori get GT300 seats
In the GT300 ranks, there will be at least two teams fielding Honda NSX GT3s in 2021.
ARTA has filled the seat alongside Shinichi Takagi left vacant by Oyu with Honda junior Ren Sato - who is also racing in Super Formula Lights this year, while UpGarage has recruited newcomer Teppei Natori to join Takashi Kobayashi, replacing Kosuke Matsuura.
No mention was made of Ryo Michigami's Drago Corse team in Honda's announcement.