Purchasing this item will add “Round Announcements - 13 Character Set” to MELTY BLOOD: TYPE LUMINA.
This set includes voices for Shiki Tohno, Arcueid, Ciel, Akiha Tohno, Hisui, Kohaku, Noel, Vlov, Roa, Red Arcueid, Kouma Kishima, Miyako Arima, and Saber.

More details on the official game page of DLC: Round Announcements - 13 Character Set ...