Here are the weekly manga & light novels rankings for May 16th- 22nd.

ranks/ this week's sales by copies/ cumulative sales/ titles
Manga
*1, 158,524 *,158,524 Kekkaishi vol.34
*2, 148,762 *,146,762 Mahou Sensei Negima! vol.34
*3, 141,415 *,145,415 JoJo's Bizarre Adventure Part 7: Steel Ball Run vol.23
*4, 138,481 *,138,481 Ace of Diamond vol.26
*5, 122,466 *,122,466 Hayate no Gotoku! vol.28 Limited Edition with a booklet
*6, 111,040 *,111,040 Hayate no Gotoku! vol.28 Standard Edition
*7, 103,360 2,698,663 One Piece vol.62
*8, 100,251 *,100,251 History's Strongest Disciple Kenichi vol.43
*9, *72,693 *,*72,693 Kingdom vol.22
10, *69,690 *,*69,690 Gakuen Alice vol.24

11, *68,192 *,*68,192 Bloody Monday Season 2 vol.8
12, *60,075 *,126,986 Tonari no Kaibutsukun vol.7
13, *59,528 *,*59,528 Love So Life vol.7
14, *48,270 *,*48,270 Eden no Ori vol.12
15, *37,581 *,*37,581 Mahou Sensei Negima! vol.34 Limited Edition with a CD
16, *36,543 *,*36,543 Beshari Gurashi vol.12
17, *35,982 *,*35,982 Da Da dancin! vol.9
18, *34,891 *,*34,891 Bakaramon vol.4
19, *34,362 *,206,532 Highschool of the Dead vol.7
20, *33,595 *,*33,595 Kamisama Hajimemashita vol.9

21, *29,998 *,*29,998 Akatsuki no Yona vol.5
22, *28,713 *,*28,713 Ikusa no Ko vol.1
23, *26,798 *,*56,212 Stardust Wink vol.6
24, *25,744 *,381,424 Katekyo Hitman Reborn! vol.34
25, *23,211 *,*86,080 Mahou Shoujo Oriko Magica vol.1
26, *22,829 *,*22,829 Furimukuna Kimi wavol.2
27, *22,674 *,*22,674 Samurai Soldier vol.13
28, *22,514 *,*22,514 Saijou no Meii - The King of Neet of vol.5
29, *21,315 *,*21,315 Aki-Sora vol.6
30, *21,081 *,997,927 Naruto vol.55

Light Novels
*1, 29,214 *,180,408 Ore no Imouto ga Konnani Kawaii Wake ga Nai vol.8
*2, 25,121 *,169,619 Toshokan Sensou vol.1 Small-sized Edition
*3, 19,325 *,*19,325 Dai Densetsu no Yuusha no Densetsu vol.10
*4, 17,999 *,*17,999 Ghost Hunt vol.4
*5, 16,909 *,124,038 Toshokan Sensou vol.2 Small-sized Edition
*6, 16,813 2,174,330 Moshidora
*7, 16,234 *,*16,234 Tokyo Elevens vol.4
*8, 10,224 *,*10,224 Hitsugi Hime no Chaika vol.2
*9, *8,753 *,**8,753 Kanaku no Kiseki vol.2
10, *8,737 *,**8,737 Sword World 2.0 Replay vol.11
11, *8,661 *,**8,661 Boku wa Tomodachi ga Sukunai vol.6 Limited Edition with a drama CD
12, *7,772 *,**7,772 Dakara Boku wa H ga Dekinai. vol.4

Sources: Oricon Manga Ranking, Oricon Novel Ranking