Check for Immortality

Asia — it's implants, clans, and glowing holograms.
Hacker Ashen Son works for a corporation, and its owner personally asks to find the culprit behind the death of an old acquaintance. Who managed to digitize his identity and is ready... to help in the search for his own killer.

1. The setting is Hong Kong in the near future. The setting is Asian, but not from Chinese novels, more like movies about the Chinese mafia and, of course, science fiction: triads, clan culture.
2. The title is a reference to the «test of immortality». The «test of immortality» is a variation of the Turing test, which determines whether a person's character has been transmitted qualitatively, namely, whether it is possible to distinguish a copied character from that of the person who served as its source.
3. The design is by popular artist Sennoma.
4. «Check for Immortality» is a game of Deus Ex, mixed with «Noble House» by Clavell and seasoned with the modern development of neural networks.
5. A standalone novel, bromance, a theme of finding family.