Kindle Store (amazon.co.jp) that started distributing Tezuka titles last month increased the sales. Also Book Live! (No. 5), honto E-book store (No.7) and Comic See More (No.9) increased the sales mainly during the Golden Week.
No.1 Kindle Store: http://www.amazon.co.jp/kindle-tezuka-osamu (-)
No.2 au Book Pass: http://www.bookpass.auone.jp/info/bookpass/pc/ (-)
No.3 iBooks: https://itunes.apple.com/jp/app/ibooks/id364709193?mt=8(-)
No.4 eBook Japan: http://www.ebookjapan.jp/ebj/ (-)
No.5 BookLive!: http://booklive.jp/ (7)
No.6 Reader Store: http://ebookstore.sony.jp/ (5)
No.7 honto E-book Store : http://honto.jp/ (#)
No.8 Google Play: https://play.google.com/store/books?hl=ja (6)
No.9 Comic Cmoa: http://www.cmoa.jp (#)
No.10 Kinoppy: http://k-kinoppy.jp/ (-)
The figure in parentheses means the previous rank. “#” means the store was ranked below the 10th last time.
No.12 Yahoo! Japan Bookstore
No.13 Comi Navi
No.14 dMarcket Bookstore
No.15 LINE Manga
No.16 Galapagos Store
No.17 Nico Nico Seiga
No.18 Handy Comic
No.19 Manga Zenkan.com
No.20 Comic Room
Refer to the information above when you choose an e-book store.
The next ranking will be released on July 25 (Fri.).