Here are the weekly manga and light novels rankings for September 26th - October 2nd.

ranks/ this week's sales by copies/ cumulative sales/ titles
Manga
*1, 141,600 *,331,616 Ookiku Furikabutte vol.17
*2, 111,969 *,194,298 Working!! vol.10
*3, *98,173 *,209,762 Kinou Nani Tabeta? vol.5
*4, *87,292 1,022,465 Kimi ni Todoke vol.14
*5, *85,645 *,256,464 Berserk vol.36
*6, *78,300 *,222,118 Soul Eater vol.20
*7, *72,093 *,*72,093 Sekaiichi Hatsukoi vol.6
*8, *67,614 *,156,291 Uchuu Kyoudai vol.15
*9, *61,928 *,*62,365 Kokoro Botan vol.6
10, *59,544 *,*60,105 Dengeki Daisy vol.10

11, *58,964 *,*58,964 Gaku Minna no Yama vol.15
12, *58,190 *,*58,190 I Am a Hero vol.7
13, *54,968 *,110,755 Switch Girl!! vol.17
14, *51,334 *,*51,334 Jisatsutou vol.6
15, *50,267 *,108,538 Mei-chan no Shitsuji vol.16
16, *48,377 *,*48,377 Channel wa Sonomama! vol.4
17, *47,802 *,100,215 Piano no Mori vol.20
18, *46,917 *,435,229 Detective Conan vol.73
19, *42,453 *,122,496 Atashin'chi vol.17
20, *41,606 *,*41,806 Kimi no Tonari de Seishunchu vol.8

21, *41,077 *,*68,349 Servant x Service vol.1
22, *35,758 *,*74,259 Ah! My Goddess vol.43
23, *34,799 *,134,294 Angel Heart 2nd Season vol.2
24, *31,168 *,*31,168 Manga de Wakaru Shinryou Naika vol.4
25, *31,001 *,*79,274 Neon Genesis Evangelion: Ikari Shinji Ikuseikeikaku vol.12
26, *30,344 *,*30,344 Sengoku Rance vol.3
27, *29,378 *,*74,939 Soul Eater Not! vol.1
28, *28,813 *,*28,813 Master Keaton vol.3 Complete Edition
29, *28,123 *,112,253 Suzumiya Haruhi-chan no Yuuutsu vol.6
30, *26,870 *,*26,870 Persona 4 vol.5

Light Novels
*1, 121,550 121,550 Onimonogatari
*2, *27,753 125,768 Boku wa Tomodachi ga Sukunai vol.7
*3, *18,153 *18,153 Shounen Onmyouji vol.35
*4, *13,267 *13,267 Hakushaku to Yousei vol.27
*5, *13,200 *13,200 Tiger and Bunny Official Guide Book Hero gossips
*6, *11,757 *11,757 Tiger and Bunny Official Mook
*7, *10,977 189,401 Ore no Imouto ga Konnani Kawaii Wake ga Nai vol.9
*8, *10,667 *59,693 Mayo Chiki! vol.9
*9, *10,341 *10,341 Rokurenkoku Mongatari vol.1
10, **9,181 *30,797 Papa no Iu Koto wo Kikinasai! vol.8
11, **8,266 *44,692 Hentai Ouji to Warawanai Neko vol.4
12, **8,134 **8,134 Sugar Apple Fairytale vol.6

Source: Oricon Comic Rankings