Here are the weekly manga & light novels rankings for April 2nd - 8th.

Ranks/ This week's sales by copies/ Cumulative sales/ Titles
Manga
*1, 638,907 638,907 Hunter x Hunter vol.30
*2, 520,341 520,341 Ao no Exorcist vol.8
*3, 300,134 300,134 D.Gray-man vol.23
*4, 270,460 270,460 Gintama vol.44
*5, 237,857 237,857 Toriko vol.19
*6, 233,353 233,353 Katekyo Hitman Reborn! vol.38
*7, 187,496 187,496 Nurarihyon no Mago vol.21
*8. 142,994 142,994 SKET Dance vol.24
*9, 134,350 134,350 Kuroko no Basket vol.17
10, 103,493 103,493 Medaka Box vol.15

11, *80,977 453,344 Bokura ga Ita vol.16
12, *60,694 *60,694 Kinnikuman (2011) vol.38
13, *47,849 *47,849 Papa no Iukoto wo Kikinasai! vol.2
14, *43,317 *43,317 Koi Dano Ai Dano vol.4
15, *41,365 544,784 3 Gatsu no Lion vol.7
16, *40,331 302,170 Moyashimon vol.11
17, *40,261 *40,261 Mikado no Shihou vol.4
18, *39,958 195,874 Suki desu Suzuki-kun!! vol.15
19, *37,182 *37,182 Magico vol.5
20, *35,572 *35,572 Kochira Katsushika-ku Kamearikouen-mae Hashutsujo vol.179

21, *34,706 *36,705 Fate/Zero vol.3
22, *32,217 *85,791 Zetman vol.17
23, *31,884 *31,884 Saint Seiya Next Dimension vol.5
24, *30,595 *49,422 Saiunkoku Monogatari vol.9
25, *30,487 *30,487 Binbougami ga! vol.12
26, *29,550 *30,014 Spec ~Zero~ vol.1
27, *29,369 218,974 Uchuu Kyoudai vol.17
28, *28,203 *74,584 Jisatsutou vol.7
29, *27,720 114,768 Kimi to Boku. vol.11
30, *25,637 107,766 Pandora Hearts vol.17

Light Novels
*1, 20,574 142,087 Bokura ga Ita
*2, 16,803 679,909 Biblia Koshoten no Jikentecho vol.1
*3, 13,695 467,029 Biblia Koshoten no Jikentecho vol.2
*4, 10,121 *32,373 Shinrei Tantei Yakumo vol.9
*5, *9,833 *16,988 Junai Romantica vol.7
*6, *7,970 *13,813 Rokurenkoku Mongatari vol.2
*7, *6,933 **7,113 Kindan no Hanayome
*8, *6,909 *19,484 Hakushaku to Yousei vol.29
*9, *6,511 184,063 Toaru Majutsu no Index: New Testament vol.4
10, *6,448 *10,916 Sugar Apple Fairy Tale vol.8
11, *6,413 **6,413 Ohshu Yoitan vol.5
12, *6,183 *10,465 Kubi no Hime to Kubinashi Kishi vol.3
13, *5,951 **6,112 Daifugo no Kyukon

Source: Oricon Youtaiju