I see six boys who look about 16-19 fooling around, teasing each other and laughing about something rather stupid. They're in their own little world; just having a good time, because they can.
To them, this memory is probably seeming insignificant at the moment, but it's going to be anything but that..this 'casual' or 'incidental' memory is going to be the one of the many more they will cherish the most. Every thing will be absolutely perfect, Then it changes.
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A fan fiction about One Direction in 2015, starting just around the time Zayn was leaving.