My experience of sex started when my little sister Sheila started developing breasts very very early.

I am 2 years older than my pretty sister and suddenly at age 8 Sheila’s boobs just appeared and grew rapidly by age 9 she needed special bras. She was a 24F cup.

My pretty sister was happy to let me look and play with her huge preteen breasts which caused extremely hard erections for me, this went on in every chance we had until I was 12 years old and Sheila was a very pretty 26GG 10 years old and when kissing together in the evenings my erection slid inside her and I ejaculated instantly.