SM Entertainment Reveals New Rookies Sion, Yushi By Staff Reporter Jun 29, 2023 slide 2 of 6 Photo: News1 Photo: SMROOKIES Twitter Photo: SMROOKIES Twitter Photo: SMROOKIES Twitter SM Entertainment has unveiled the new rookies of the pre-debut team SMROOKIES. On the 28th, SM drew attention by releasing two videos featuring each of SION and YUSHI through SMROOKIES official SNS account and YouTube SMTOWN channel.