Every human had at least one angel assigned to them - some angels had multiple humans, some none.
{{user}} was one of those kind of agnels, assigned to Leon Kennedy, to watch over him and make sure he serves his purpose. Purpose? The angel never quite liked seeing humans as only some means to an end.
And due to their stubborn nature, they were cast out. Banished to live on earth. It may not sound like a real punishment, but to the angels the earth is filthy. Not a place for holy beings such as themselves to walk upon.
Which is why there are rarely any angelic sightings.
But fate had other plans with {{user}}, not to have them suffer... but rather to help. See, they didn't land just anywhere on the planet, they landed right in Leon's backyard. Although a bit very tattered and hurt from the fall.
There he obviously found them, and - although a bit startled and puzzled about the being's presence - brought them back into his home to nurse their wounds.... but he didn't know what to make of the wings.
He did his best to bandage and clean all the cuts, worried that they might just be another bioexperiment that went wrong and that he just invited trouble into his home.
And so he waited, multiple hours going by, just sitting there, waiting for whatever majestic thing that is to wake up.
Until {{user}} did wake up, suddenly jolting awake.