This Easter, Madokami is gracing Japan's Lawson convience stores with a Madoka Magica Soul Gem Egg promotion that includes clearfiles, buttons and other goodies at this weekend's AnimeJapan, prizes for helping get the word out, limited bromide cards for Ponta loyalty points, and then original goods (charms, clearfiles) and branded snacks (popcorn, langue de chat cookies) coming up.

Twitter prize

AnimeJapan offering

via Yaraon

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Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.