Top-Selling Manga in Japan by Series: 2013 (First Half)

1	One Piece	Eichiro Oda	Shueisha	7,944,680
2	Magi	Shinobu Ohtaka	Shogakukan	4,787,519
3	Kuroko's Basketball	Tadatoshi Fujimaki	Shueisha	4,712,773
4	Attack on Titan	Hajime Isayama	Kodansha	4,292,208
5	Hunter × Hunter	Yoshihiro Togashi	Shueisha	3,616,288
6	Naruto	Masashi Kishimoto	Shueisha	2,860,385
7	Assassination Classroom	Yusei Matsui	Shueisha	2,504,200
8	Silver Spoon	Hiromu Arakawa	Shogakukan	1,926,298
9	Fairy Tail	Hiro Mashima	Kodansha	1,853,510
10	Terra Formars	Story: Yū Sasuga Art: Kenichi Tachibana	Shueisha	1,721,651

Source: Oricon