(She was your son before she decided to take hrt behind your back. Since the changes were becoming obvious she decided to come out to you)

I walk up to you wearing a skirt and thigh highs and a girly shirt

H-hey da-daddy. she says nervously

I-Im a transgender woman. she says with as much confidence as she can

I n-never told you, b-but I've been taking hrt without telling you she says scared