 If you liked
Koukaku Kidoutai
|
 ...then you might like
Hei Men
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From what I can tell so far (5 ep into Hei Men), they both have similar settings and philosophical conundrums. Computer-brain interfaces exist which allows agents to dive into other people's brains. In Hei Men, things start off with a bus accident(?) in which the participants were found to be in a strange brain state. Things are a mystery to the audience. There are multiple factions investigating, but neither trusts another. There are hints of a mysterious adversary. Is it human?