Here is the weekly manga sales ranking for April 5th - 11th.

*1, 234,906 *,236,829 Ouran High School Host Club vol.16
*2, 229,783 *,229,783 3 Gatsu no Lion vol.4
*3, 179,964 *,590,209 Bleach vol.44
*4, 160,220 *,590,088 Neon Genesis Evangelion vol.12
*5, 138,370 *,329,638 Gintama vol.33
*6, 136,474 *,137,184 Kaichou wa Maid-sama! vol.9
*7, *73,881 *,180,147 Nurarihyon no Mago vol.10
*8, *58,638 *,*58,638 Hanma Baki vol.23
*9, *55,262 *,123,276 Sket Dance vol.13
10, *54,495 *,126,490 To-LOVE-Ru vol.18

11, *53,268 *,122,479 Kuroko no Basket vol.6
12, *52,671 *,122,405 Beelzebub vol.5
13, *45,928 *,*45,928 Kenka Shoubai vol.20
14, *42,285 *,105,855 Medaka Box vol.4
15, *40,935 *,*40,935 Hime Anor vol.6
16, *36,287 *,*36,287 Seitokai no Ichizon vol.3
17, *32,352 *,*75,814 Ane Doki! vol.3
18, *31,787 *,*38,787 Crows Zero vol.7
19, *31,009 *,*31,009 4jigen vol.2
20, *30,658 *,*30,658 Mishounen Produce vol.2

21, *27,515 *,138,855 Detroit Metal City vol.9
22, *27,047 *,*66,145 Kochira Katsushika-ku Kamearikouen-mae Hashutsujo vol.169
23, *25,937 *,107,493 Katekyo Hitman Reborn! official visual book Reborn Colore!
24, *24,956 *,*24,956 Megami no Oni vol.15
25, *24,281 2,197,902 One Piece vol.57
26, *23,902 *,166,276 Tsukihime vol.8
27, *23,481 *,241,949 Billy Bat vol.3
28, *23,313 *,*23,313 Maken-Ki! vol.4
29, *22,231 *,219,654 Thermae Romae vol.1
30, *20,479 *,*20,479 Machi de Uwasa no Tengu no Ko vol.6

Source: Oricon Manga Ranking

Weekly Light Novel Ranking for Apr 5 - 11
*1, 45,355 *45,355 Sword Art Online vol.4
*2, 43,382 *43,382 Shakugan no Shana vol.20
*3, 38,258 *38,258 Toradora Spin-off! vol.3
*4, 27,546 124,136 Saiunkoku Monogatari vol.16
*5, 17,459 *17,459 Sakura-so no Pet na Kanojo vol.2
*6, 13,182 *13,182 Baccano! 1710 Crack Flag
*7, 11,678 189,627 Durarara!! vol.1
*8, 10,149 *10,149 Rinkan no Majutsushi vol.7
*9, 10,103 *10,103 Duan Surk II vol.13
10, *9,538 *69,682 Zerozaki Hitoshiki no Ningen Kankei vol.4
11, *9,195 146,743 Durarara!! vol.2
12, *9,185 *68,380 Zerozaki Hitoshiki no Ningen Kankei vol.2
13, *9,167 **9,167 Yomesen! vol.2
14, *8,866 *40,693 Shounen Onmyouji vol.29
15, *8,514 *65,884 Zerozaki Hitoshiki no Ningen Kankei vol.3
16, *8,474 **8,474 Shiso Toshokan no Libre Blanche

Source: Oricon Novel Ranking