Here's a characters/seiyuus page for the enjoyable reverse-harem show Hiiro no Kakera.
Miyake Marie's performance as Ringo in Mawaru Penguin Drum has landed her a supporting role in Acchi Kocchi and the leading role in this show, where she is doing a nice job.
She is surrounded by a bevy of bishounen, played by a bevy of famous and lesser-known seiyuus: Sugita Tomokazu, Namikawa Daisuke, Hirokawa Daisuke, et al. They are a band of guardians protecting the main character Tamaki, who discovers she has inherited the role of chief priestess of a shrine that seals in an evil spirit. The show is based on a successful series of games for girls.
Click here or on the image to go to the full page:
One of the interesting names/faces here is Isomura Tomomi, who was good as Shouko in Baka to Test, and plays an apparent villainess called Aria in this show. Isomura-san is at least as famous for being a game otaku and cosplayer as for her seiyuu work. She has appeared on Sugita's radio show, and the game-loving Sugita says she is like a guy when it comes to games and he would like to go on a school-club practice retreat with her and play video games all weekend.