Purchasing this item will add Powered Ciel as a playable character and the "Battle at the Threshold" selectable stage in MELTY BLOOD: TYPE LUMINA.

Powered Ciel Downloadable Content set contents
① Powered Ciel Playable Character
② Powered Ciel story
③ "Battle at the Threshold" stage
④ Powered Ciel network avatar, custom icon, plate, title, and gallery item

More details on the official game page of DLC: Playable Character - Powered Ciel ...