Here are the weekly manga & light novels rankings for August 15th - 21st.

ranks/ this week's sales by copies/ cumulative sales/ titles
Manga
*1, 294,536 *,294,536 Fairy Tail vol.28
*2, 151,674 2,737,718 One Piece vol.63
*3, 136,153 *,136,153 Ace of Diamond vol.27
*4, 133,505 *,133,505 Mahou Sensei Negima! vol.35
*5, 127,853 *,127,853 Gantz vol.32
*6, 124,512 *,524,801 Shingeki no Kyojin vol.5
*7, 111,778 *,111,778 Kekkaishi vol.35
*8, 107,007 *,107,007 Kindaichi Shounen no Jikenbo Game no Yakata Satsujin Jiken
*9, *81,664 *,*82,897 The Royal Hieroglyph vol.56
10, *80,524 *,156,094 flat vol.5

11, *66,628 *,961,120 Naruto vol.57
12, *59,851 *,*59,851 Kingdom vol.23
13, *58,125 *,*58,125 Kekkaishi vol.34 with a booklet
14, *54,892 *,*54,892 Ryuuroden: Chuugen Ryouranhen vol.9
15, *54,338 *,897,139 Hunter x Hunter vol.29
16, *45,838 *,131,219 Hayate no Gotoku! vol.29
17, *42,166 *,*95,126 L-DK vol.7
18, *40,949 *,473,225 Bakuman vol.14
19, *40,204 *,544,741 Bleach vol.51
20, *39,578 *,*39,578 Tenshi 1/2 Hoteishiki vol.1

21, *36,802 *,369,899 Katekyo Hitman Reborn! vol.35
22, *36,311 *,*36,311 Godhand Teru vol.58
23, *34,613 *,*34,613 Otomen vol.13
24, *34,461 *,*34,672 Mahou Sensei Negima! vol.35 with an extra DVD
25, *32,828 *,109,870 Hapi Mari vol.7
26, *30,833 *,101,499 Umimachi Diary vol.4
27, *30,435 *,199,173 Kaichou wa Maid-sama! vol.13
28, *29,684 *,*29,684 Monochrome Shounen Shoujo vol.7
29, *26,626 *,*26,626 Kurogane no Linebarrel vol.18
30, *25,813 *,437,056 Glass Mask vol.47

Light Novels
*1, 38,680 197,282 Toaru Majutsu no Index: New Testament vol.2
*2, 32,850 *32,850 Full Metal Panic! Short Stories vol.9
*3, 28,380 *28,380 Full Metal Panic! Another vol.1
*4, 28,001 114,428 Durarara!! vol.10
*5, 19,698 *19,698 Chrome Shelled Regios vol.18
*6, 15,212 *86,778 Sword Art Online vol.8
*7, 12,665 363,408 Toshokan Sensou vol.1 Small Size Edition
*8, 12,132 151,270 Toshokan Sensou vol.5 Small Size Edition
*9, 11,315 *45,126 Mahoka Koko no Retosei vol.2 Part 2
10, 11,210 *71,228 Toaru Majutsu no Index SP Short Stories
11, 11,103 *11,103 Date A Live vol.2
12, 10,825 *10,825 Tsumasaki wa Amaku Michiteiru
13, *8,989 *43,356 Golden Time vol.3
14, *8,887 252,694 Toshokan Sensou vol.2 Small Size Edition
15, *8,787 190,243 Toshokan Sensou vol.4 Small Size Edition

Sources: Oricon Manga Ranking, Oricon Novel Ranking