One Piece: Unlicensed Famous Doctor

“Doctor…I’m about to die.”
“Ah, it’s so rude to say such things in front of the doctor.” He showed the sunniest smile, “As long as I save you, I can get the medical qualification certificate.” !”
“…”
Already appeared:
One for Kirito, one for Itachi Uchiha, one for Lloyd, one for
Limbo, one for Saber the Lion, and one for Shota Gilgamesh.