Worldview Background In 2045, a company called "Data Amber" launched memory extraction and hosting services, triggering social changes and laying hidden dangers.
Core Conflict: The protagonist discovers that the memory backup of his late sister in "data amber" is not the truth, and during the investigation, he touches on the shocking secret hidden by the company.
The themes of the story include technological ethics, memory and reality, confrontation between individuals and systems, brother-sister relationship and redemption.
