Lili is changing at a waterpark, and decides to put on the bikini. After leaving the changing room she finds her friends also wearing bikinis. During a ride, she takes her top off.
Lili is trying on a bikini top, then takes it off and looks at herself in the mirror. Her mother asks her to come out and the bikini is not put on properly, exposing her left breast. Her mother then brings her back into the changing room and tells her how to put it on properly.