 If you liked Kiseijuu: Sei no Kakuritsu |  ...then you might like AI no Idenshi |
Made by Madhouse, both of these are sci-fi/psychological anime have similar art style and vibe. They both try to address complex issues that revolve around human identity, morality, and memory. Both anime presents a story about humanity trying to co-exist with a different life form that not only challenges human identity but also human morality. In both stories, the main characters has to juggle the complex issues that rise as these invading species try to blend into society. Parasyte is more action-heavy with lots of gore and lead by a main character who is compassionate and considerate. Gene of AI features a futuristic sci-fi world