https://www.animenewsnetwork.com/news/2018-11-29/top-selling-manga-in-japan-by-series-2018/.140163
Top-Selling Manga in Japan by Series: 2018 - News - Anime News Network
One Piece's 11th time at #1 with 8.1 million, followed by My Hero Academia, Attack on Titan, Slam Dunk, Haikyu
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