This tag establishes the setting of the story, or a major part of the story. It indicates that the plot takes part in an amusement park. Please note that this tag should not to be used just because some random romantic date takes place in an amusement park. The story genuinely needs to take place in it.
Zhou Yu, a reclusive otaku, who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.