Complex sentence: In the video game and anime, MOMO is a Realian, a class of artificial humans,--specifically a prototype 100-series Observational Realian--developed through genetic engineering by Joachim Mizrahi to combat Gnosis, an alien that exist in a different plane of existence.
Split into simpler sentences: In the video game and anime, MOMO is a Realian, a class of artificial humans. Specifically, she is a prototype 100-series Observational Realian developed through genetic engineering by Joachim Mizrahi to combat Gnosis, an alien that exist in a different plane of existence.