I know the butterfly is now associated with Rei, but since it was in first place a visual clue for Haru's melancholy and the feeling of not being free, and Rei later connected to it through those shared emotions, I'm using butterflies for visualizing Haruka's emotions in the video.
Video material:
Free!- Iwatobi Swim Club
http://iwatobi-sc.com/Audio material:
Sugar On My Tongue by Josh Woodward
http://www.joshwoodward.com/
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