 Most races averaged approximately 12 cars total, with only a few meeting actual LMP and GT regulations.Mugen Motorsports backed an LMP1 entry using one of their engines, while Hitotsuyama Racing attempted to increase field size by entering cars in two of the four classes.The LMP2 class however consisted entirely of rebodied single seaters, some of these were modified Dallara F3s from the domestic GC21 Championship.