ID -Identity- Iro no Nai Sora to Yuki o Matsu Shoujo

"Magatama"
The name given to synthetic lifeforms created from the human genome.
Synths look human but, they are vessels to empower the Resistance.

With each generation of Magatama, they get smarter,
and at some point people began to fear and shun these new gens,
the eerie "Hitokata".

-----The time is some years before the Lost Nine Incident.
Something was happening that shook the foundations of Eminoire Pharma
as well as Cylinder Towers. Mass numbers of Magatama affected
the lives of people like Rui, before Rui became the "Grim Reaper".
Like so many affected, Rui would eventually

What is the "identity" held by the death god-----?

[From DLsite English]