Here are the weekly manga and light novels sales rankings for February 21st - 27th.

Manga
*1, 161,178 *,161,178 Kuroshitsuji vol.11
*2, 128,634 *,390,750 Detective Conan vol.71
*3, 117,352 *,117,352 Kyou, Koi wo Hajimemasu vol.11
*4, 109,394 *,109,394 Mobile Suit Gundam: The Origin vol.22
*5, 107,135 *,382,728 Fairy Tail vol.25
*6, *98,464 *,*98,464 Toaru Kagaku no Railgun vol.6
*7, *96,169 *,222,611 Skip Beat! vol.27
*8, *95,121 2,819,362 One Piece vol.61
*9, *93,388 *,207,930 Kekkaishi vol.33
10, *86,506 *,*86,506 Youko (Inu) x Boku SS vol.4

11, *77,371 *,261,958 Ahiru no Sora vol.30
12, *70,424 *,*70,424 Neon Genesis Evangelion: The Shinji Ikari Raising Project vol.11
13, *60,973 *,*60,973 Ah! My Goddess vol.42
14, *59,398 *,132,638 Hayate no Gotoku! vol.27
15, *57,789 *,*57,789 Suzumiya Haruhi no Yuuutsu vol.13
16, *56,936 *,*56,936 Bokutachi wa Shitte Shimatta vol.11
17, *56,699 *,185,718 Mahou Sensei Negima! vol.33
18, *55,070 *,*55,070 Team Medical Dragon vol.25
19, *51,451 *,152,739 GTO: Shonan 14 Days vol.6
20, *46,607 *,*46,607 One Piece The 16th Log

21, *43,220 *,*43,220 Shacho Shima Kosaku vol.8
22, *40,953 *,*40,953 Reimei no Arcana vol.6
23, *40,018 *,*81,400 Otomen vol.12
24, *36,178 *,104,150 Dear Boys Act III vol.6
25, *35,557 *,*35,557 Cooking Papa vol.113
26, *33,466 *,*86,585 Kingdom vol.21
27, *32,641 *,103,953 Area no Kishi vol.24
28, *32,157 *,*96,235 Hayate no Gotoku! vol.27 with a school calender
29, *31,685 *,*31,685 Tora to Ookami vol.3
30, *30,713 *,*30,713 Oyasumi Punpun vol.8

Light Novels
*1, 45,304 *,*45,304 Zero no Tsukaima vol.20
*2, 40,100 *,*68,499 Seitokai Series Spinoffs vol.4
*3, 25,969 1,848,721 Moshidora
*4, 18,337 *,*18,337 Aku no Musume vol.2
*5, 15,202 *,131,328 Durarara!! vol.9
*6, 14,570 *,*14,570 Kono Naka ni Hitori, Imouto ga Iru! vol.3
*7, 12,271 *,*12,271 Seireitsukai no Blade Dance vol.2
*8, 11,933 *,*11,933 Ouran Koi Emaki vol.9
*9, 11,362 *,147,320 IS: Infinite Stratos vol.1
10, 11,237 *,142,214 IS: Infinite Stratos vol.2
11, 11,133 *,136,645 IS: Infinite Stratos vol.3
12, 10,912 *,132,833 IS: Infinite Stratos vol.4
13, 10,664 *,123,867 IS: Infinite Stratos vol.6
14, 10,504 *,130,980 IS: Infinite Stratos vol.5
15, *9,802 *,**9,802 Tsuki Tsuki! vol.2
16, *9,097 *,*17,576 Tenchi Muyo! GXP vol.7
17. *8,901 *,**8,901 Ben-To vol.7

Sources: Oricon Manga Ranking, Oricon Novel Ranking