I've remembered about this manga after 6 years. The philosophical references stuck with me, but I forgot from where I learned about them. Probably shouldn't rush while re-reading it
I've read it. Sympathised for a protagonist in the beginning, but after the middle it was a bit hard to understand him. I mean the moment of
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Turns out it is a remake, huh. I wonder what was the original about. Probably the plot is mostly same, but details vary, may be the ending is somewhat...