EAKI x Demon Slayer Cat Paradise Party Blind Box Rezero High Grade style sleeves are

High Grade style sleeves are types of sleeve with high quality color printing and kira (shiny) processing

From "SD Gundam World Heros: The Legend of Dragon Night" comes a dark dragon to be paired with the SDW Heroes Shine Grasper Dragon

and the flying blood sickle is made of clear parts to express the suspiciousness of demon art

Fight by taking advantage of each characteristic

EAKI x Demon Slayer Cat Paradise Party Blind Box Rezero High Grade style sleeves are*May Have Secret* Blind Box Rules: Blind Box refers to the type of packaging that keeps the collectible toy as a mystery until it is opened. Blind boxes typically come in series that shows a collection; some figurines are rarer to find than others, these are referred to as "secret", "hidden" or "chase" figures. A whole box contains no repeated figures. If there is a secret figure in the box, one basic figure will be randomly replaced by it.