It feels like a triple inversion, like a dream within a dream. The girl that the protagonist likes in the second half of the movie is also another personality transformed by the protagonist. In reality, the girl has never been in contact with the protagonist. The female detective asked the girl to ask, but the girl can't remember the protagonist. It should be a fact. The protagonist thought that the four people were real. After surrendering, in order to protect himself and his four friends, he tricked the female detective into believing that he had multiple personalities. After being released, the protagonist thought he had won. The relationship between the girls has improved. In fact, the 4-person hacker and the girl are the protagonists alone.
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