Raidiese "Rai" F. Branstein is a fictional character in the Super Robot Wars series. In canon, he is one of the pilots for the SRX Altered Banpreios, and is joined by fellow pilots Ryusei Date, Aya Kobayashi and her sister Mai Kobayashi in the Alpha timeline, and pilots the R-2 Powered, combining it with Ryusei's R-1 and Aya's R-3 Powered to form the SRX in all other timelines.