She was failing and he told her, him and a couple of his friends can help her learn things if she wants. It turned out to be a different kind of lesson.
If you had to choose One Piece waifus to form a Harem, who would you choose? (At least 5) I would choose: Marguerite, Vivi, Ulti, Nami, Nico Robin, Reiju, Koala and Kalifa