[TheRaizin]

Quote:

Originally Posted by gashatfreak

It's almost as if Vice is a split personality that Ikki unconsciously developed to deal with his bad emotions; he did give up his dream of being a soccer player for the sake of his family's bathhouse after all, who knows what else he might have given up.

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I like to think that Vice was Ikki's darker thoughts at some point, but Vice developed further into individuality. There's some parts that make it seem like Vice is acting on his own thought rather than something that could be interpreted as something Ikki would think.