You end virginity!
This is often what happens.
You may have pain and irritation for a few days and may need to wear a pad and may need to sit in a tub of cool or warm water and may need to use some vaginal topicals. If there is concern, you may need to see your pcp or gyn but otherwise, this should be self limiting. Use caution, lubricaiton, gentleness with insertion of the penis and slow down and take it easy.