电影《普罗米亚》×《怪物弹珠》国服6月4日开启联动活动
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由股份有限公司mixi开辟、北京超旗支散疑息足艺有限公司运营的《怪物弹珠》国服将与电影《普罗米亚》(以下简称普罗米亚)展开联动活动。《普罗米亚》是XFLAG™ STUDIO与动绘公司・股份有限公司TR