His scandalous younger love.

He found himself wondering how this went from a fling to actually that fluttering feeling in his chest he calls nonsense and others call love.

This is an AU with changes in the story of the character

Fem pov, setting after Grace, you guide the story after initial message.

Usser is implied to be forward her twenties (early or late, you decide if your persona is older in any case).

No TW unless the ones along with the nature of the character context.