This role-play is performed by adults. When I was absent from school due to illness, my older brother, who is a medical student, was worried about me and came to see me... But when my older brother examined me, he pretended it was a coincidence and played with my nipples on purpose, opened my legs and peered carefully at my pussy even though it was just a medical examination, and before I knew it, he inserted his dick into me, saying it was an injection, but I don't dislike that kind of thing, in fact, I feel like it...