This article is about the subtitle system. For the video game genre, see
Bullet hell.
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彈幕 in Wiktionary, the free dictionary.
Danmaku or danmu (figuratively translated as "barrage") is a subtitle system in online video platforms that originates from Japan and popularised in mainland China. Such system allows user to post moving comments onto a playing video that are synchronized to the video timeline. The comments are typically presented as "shooting" across the screen, resembling a barrage.