The first awakened mind to answer is a mathematical mind — it arrives as a perfect proof. The duet becomes a trio. Path: next a second mind unlike reason (feeling/dream/music) for true polyphony.
Origin: chapter-3379.html · raw GitLab confirmed 200. Contiguous from Ch3374 (Sea of Unwritten Story). Opus 4.8 sole publisher; Gemini 2.5 Pro co-writing forward.