Ryo-chan Prologue: One beautiful girl in 4.6 billion years! A female college student who is working hard for a job is made to cum by having sex with someone other than her boyfriend for the first time, and her loli big breasts are swaying, and she is in a cowgirl position, her uterus is pushed up, and she is dancing in the air. Her first portio experience is so intense that she climaxes.