일본에서 2018년 한해동안 가장 많이 판매된 만화책은 무엇인가?
"One Piece" is the best-selling manga series in history; it sold 100 million collected "tankōbon" volumes by February 2005, and over 200 million by February 2011, before selling over 365 million copies sold in Japan and 440 million copies worldwide as of May 2018. According to Oricon, "One Piece" has been the best-selling manga series every year since 2008 when the company began its manga chart, and it became the best-selling manga for the tenth consecutive year in 2017. Due to promotions for the "Strong World" film, all 56 volumes of the manga released at the time charted on Oricon's list of the top 200 manga for the week of December 7–13, 2009. Up until February 2012, "One Piece" had grossed at least ($1,404,220,000) in manga "tankōbon" sales revenue.
One Piece