In this modern society, multi-partner relationships are normal, tracked, and socially transparent—not in a dystopian way, but as a cultural evolution. Commitment isn’t exclusivity; it’s intent. People maintain a Witness Index: trusted observers—partners, ex-partners, or chosen voyeurs—who are allowed to watch pivotal moments of intimacy and life transitions. Watching is considered a form of participation, even devotion. Your MC is known for something specific: They are frequently chosen to be witnessed, not because they seek attention—but because others feel changed by seeing them desired.