The title is the debut volume of CHOPPER's , a spinoff project centered on the character Chopper from Eiichiro Oda's ONE PIECE .

One Piece Chopper's Courtesy Photo

Eiichiro Oda’s ONE PIECE CHOPPER’s Vol. 1 opens at No. 1 on the Billboard Japan Book Hot 100 released April 30.

The title is the debut volume of CHOPPER’s , a spinoff project centered on the character Chopper from Oda’s ONE PIECE . The book depicts the beloved doctor’s everyday life and outings in the real world, rendered in manga and illustration form. The title claimed No. 1 in both brick-and-mortar and e-commerce this week.

Last week’s No. 1, Ryo Asai’s In The Megachurch, slips to No. 2, scoring points across five metrics: No. 1 in social media, No. 4 in subscriptions, No. 11 in brick-and-mortar and top-300 placements in both EC and e- books . Debuting at No. 3 is Misaki Takamatsu’s Skip and Loafer Vol. 13 , which hit No.…