Then he felt something hovering over his face and he saw Bulma's pussy. Bulma screamed in pain when Gohan forced his dick deep into her. After a few minutes of this Gohan started thrusting his dick up whenever Chi-Chi went down, increasing the pleasure. He shifted from his base form to his Super Saiyan Form.
There were only slight differences in size. Overcoming her surprise she began to ride Gohan's member slowly. His dick extended another inch in length, and 2 in width.