Big Macintosh is growing up to be a strong and powerful stallion, and many are starting to take notice. Especially his mother, Pear Butter, or Buttercup as her husband Bright Mac calls her. Looking to her son, she could tell it was almost time to show him a special, Pear Family Tradition. Licking her lips, she become impatient over what is to come.

Cannot give link, but the artist's name is needsmorefuta
This is part of my 1K Challenge.