This "End Sound 3" is simply another female version of "The Hangover", the convergent version of "Hi Fan Sisters" and "One Night in a Hurry", or the PG13-level version. Probably the director and screenwriter also know that this series is to pay more attention to singing and dancing, friendship, and less erotic, so that it did not lean on the R level.
It’s good to have a look at uniforms (especially sailor uniforms) and pajamas. There is no plot to speak of, the love line is also optional, Lily is also illusory, friendship is also superficial, if it is not for singing and dancing from time to time, you don't think this is a movie, but a collection of chaotic videos.
The screenwriter and director obviously have a bad heart: the partnership wants to completely kill this series, and don't give others a chance to save it!
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