The transformation of the characters is too rigid. Being a mother suddenly fell without warning and without any reason; a hero boy suddenly became the boss, and so on. The so-called most human-like main characters in the film all feel as if they were abruptly transformed to add to the conflict.
In addition, the whole film does not set a pure and kind character, which makes the film lack a lot of contrast and looks monotonous and desperate, resulting in insufficient contrast to the theme.
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