Here are the weekly manga & light novels rankings for May 9th - 15th.

ranks/ this week's sales by copies/ cumulative sales/ titles
Manga
*1, 227,721 2,595,303 One Piece vol.62
*2, 115,154 *,172,170 Highschool of the Dead vol.7
*3, *66,911 *,*66,911 Tonari no Kaibutsukun vol.7
*4, *62,869 *,*62,869 Mahou Shoujo Oriko Magica vol.1
*5, *59,728 *,*59,728 Mahou Shoujo Kazumi Magica - The Innocent Malice vol.1
*6, *55,396 *,355,680 Katekyo Hitman Reborn! vol.34
*7, *44,341 *,274,901 Nurarihyon no Mago vol.16
*8, *40,616 *,*40,616 Manga de Wakaru Shinryou Naika vol.3
*9, *33,129 *,976,846 Naruto vol.55
10, *32,578 *,186,322 Beelzebub vol.11

11, *30,399 *,*30,399 Majo wa Nido Aegu vol.6
12, *29,920 *,406,885 Thermae Romae vol.3
13, *29,414 *,*29,414 Stardust Wink vol.6
14, *28,696 *,170,997 Kuroko no Basket vol.12
15, *26,417 *,*26,417 Gisele Alain vol.2
16, *21,534 *,*21,534 Ane no Kekkon vol.1
17, *20,973 *,125,773 Medaka Box vol.10
18, *20,924 *,*20,924 Acchi Kocchi
19, *20,686 *,*33,955 Highschool of the Head
20, *20,005 *,634,827 Bleach vol.49

21, *19,830 *,*19,830 Waltz vol.4
22, *19,628 *,*39,264 Coppelion vol.10
23, *18,588 *,*18,588 Oboreru Knife vol.12
24, *18,505 *,*18,505 Sansukumi vol.2
25, *18,456 *,131,913 Gaku Minna no Yama vol.14
26, *18,157 *,*18,157 Rappi Rangai vol.9
27, *17,704 *,*42,736 Yowamushi Pedal vol.17
28, *17,694 *,615,610 Shingeki no Kyojin vol.4
29, *16,916 *,*16,916 Anata ni Hana wo Sasagemashou vol.3
30, *15,695 *,*24,014 Full Metal Panic! Sigma vol.15

Light Novels
*1, 151,194 *,151,194 Ore no Imouto ga Konnani Kawaii Wake ga Nai vol.8
*2, *32,718 *,*32,718 Sakura-so no Pet na Kanojo vol.5
*3, *30,492 *,*30,492 Ladies versus Butlers! vol.12
*4, *24,780 *,144,498 Toshokan Sensou vol.1 Small-sized Edition
*5, *22,123 2,157,517 Moshidora
*6, *17,599 *,102,129 Toshokan Sensou vol.2 Small-sized Edition
*7, *16,647 *,*16,647 Fate/zero vol.5 New Edition
*8, *16,448 *,*16,448 Strike The Blood vol.1
*9, *15,293 *,*15,293 Maoh na Musume to Murabito A
10, *11,740 *,*11,740 Nareru! SE vol.4
11, *11,707 *,*11,707 Yomesen! vol.4
12, *10,407 *,*10,407 Gunparade March 2K vol.3
13, *10,384 *,*10,384 Rengoku Hime vol.3
14, **9,834 *,**9,834 Baby Princess vol.7
15, **9,653 *,*79,244 Katekyo Hitman Reborn! Hidden Bullet vol.5
16, **9,330 *,132,726 One Piece Strong Words vol.2
17, **8,808 *,157,551 IS: Infinite Stratos vol.7
18, **8,004 *,**8,004 Atrium no Koibito

Sources: Oricon Manga Ranking, Oricon Novel Ranking