Here is the weekly manga sales ranking top 30 for May 25th - 31st.

*1, 299,191 299,191 Vagabond vol.30
*2, *72,415 *72,415 Koibana! Koiseyo Hanabi vol.5
*3, *71,474 *71,474 Black Bird vol.8
*4, *65,563 *65,563 07-Ghost vol.8
*5, *64,422 *64,422 FIVE vol.11
*6, *63,142 *63,142 Kaze Hikaru vol.26
*7, *62,543 274,112 Tenjou Tenge vol.20
*8, *55,384 *55,384 Kimi to Boku vol.7
*9, *48,575 *75,214 Mirai Nikki vol.8
10, *47,323 *93,093 Doubt vol.4

11, *46,290 *46,290 Men's School vol.6
12, *41,850 *41,850 Shin Say Hello to Black Jack vol.6
13, *37,288 *37,288 Honey Hunt vol.5
14, *32,254 227,771 Tsubasa RESERVoir CHRoNiCLE vol.27
15, *32,142 260,547 Fairy Tail vol.15
16, *31,860 *31,860 Koishitagari no Blue vol.5
17, *30,890 *70,292 Kiss x Sis vol.4
18, *28,316 *28,316 Fullmetal Alchemist Character Guide
19, *28,009 *68,397 Nagasarete Airantou vol.15
20, *27,831 *27,831 Dolls vol.7

21, *27,286 *60,663 Princess Resurrection vol.9
22, *27,171 *27,171 Umi no Misaki vol.5
23, *26,698 929,691 Naruto vol.46
24, *26,590 231,720 Mahou Sensei Negima! vol.26
25, *26,296 *45,374 Cooking Papa vol.104
26, *25,976 *25,976 Reimei no Arcana vol.1
27, *25,795 103,876 Zetman vol.12
28, *25,669 131,828 VBRose vol.14
29, *24,947 *24,947 Ayakashi Koi Emaki vol.1
30, *22,508 165,974 Bloody Monday vol.11

The last week's ranking: Japan's Weekly Manga Ranking For May 11 - 17
Source: Oricon Comic Ranking

Additional News:

Serizawa Naoki's manga "Saru Lock" was announced to get a live action TV drama adaptation. It will start next July. Ichihara Hayato plays the main Sarumaru Yatarou.

Source: Oricon

Weekly Light Novel Ranking for May 25 - 31
*1, 14,899 67,375 Chrome Shelled Regios vol.13
*2, 11,818 11,818 Shounen Onmyouji vol.26
*3, *9,190 10,878 Shishi no Souga
*4, *7,450 *7,450 Monster Hunter Shippuu no Tsubasa vol.4
*5, *7,222 *7,222 Ichiban Ushiro no Maou vol.6

Source: Oricon Novel Ranking