Danbooru-based image board with a specialization in high-quality images.

katakura_shinji kira_kira overdrive_(company) shiino_kirari

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This is some sort of card game, they were selling copies at the Manga Gamer booth during AX..
Nice. It would be just awesome if you could scan some of the cards too, especially if they're every bit as hilarious as the title.
I'll check them out later this week..

a quick flip though shows nothing too funny...maybe the cd is more interesting