hehe the PV kinda reminded me of Kingdom Hearts with the whole "happy on an island!" thing, then something bad happens lol...but to me, it didn't look like her friends were trying to help her...like when the one girl just kinda runs into her and falls to the ground. Now if someone actually grabbed her arm to pull her away, it would look like they were helping
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All in all, I think the PV really holds no deeper meaning...well nothing TOO deep, like alterna.