The UtaPri television site has a short write-up (in Japanese) of each of the premiere events, including the first night with Kiiyan, Suwabe Junichi and Aoi Shouta.
Or at least, wear some jewelry like his. Village Shop is offering the necklace Kiiyan wore for the Bakumatsu Rock lives. And for only 97,000 yen per chain. Details here.