The story is great although it starts from the middle where the mc is already established himself as a family member of Marcus from Umbrella. The MC is a normal human with a smart head so He walk in the path of research and science. This story accelerates quite a bit of the plot with reasonable reasoning. And of course, it's a harem story but it embraces the consequences of genetically modified people's coitus, meaning the baby is a real thing coming.
Mizuki77
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