[ohithereyou]

One Piece is not a great example because you can read it online at Viz[1], and the latest three issues appear to be free to read. According to Wikipedia[2], the latest chapter out in Japan is 948, which is available on Viz's website.

[1] https://www.viz.com/shonenjump/chapters/one-piece

[2] https://en.wikipedia.org/wiki/List_of_One_Piece_chapters_(80...