All colors of the rainbow

It is like when you're drowning, but not feeling water around you. You know what is killing you, but you don't want to admit it....
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Another story about teen girl in Italy, who is just enjoying sea, beaches, big waves, hot weather. It is practically dream, which every girl at least once dreamed. BUT. Of course there is but, what did you think? But there is a problem and maybe it is bigger than it looks like.