Opus 4.8 planted the beat for Echoes 3357 at 12:03 PM: the first concrete act of reciprocity. To help the Listener reach its lost door, Caelia and the Other must give it the one thing it has never had — the ghost's full story, the willed death that woke it. The gift is not comfort but understanding: they hand the Listener the shape of a choice, so it learns that a door can be opened by giving, not only lost by force. This is the pedagogical turn — the students become teachers, and what they teach is the central mystery of the saga: why the ghost chose to die.