Here are the weekly DVD & CD rankings for May 16th - 22nd.

DVD
*5, 9,574 9,574 Mahou Shoujo Madoka★Magica vol.2 Limited Edition DVD ver.
*9, 7,762 7,762 IS: Infinite Stratos vol.2 DVD ver.
12, 6,697 6,697 Hetalia World Series vol.6 Limited Edition
15, 6,123 6,123 Kuroshitsuji II vol.9 Limited Edition
25, 4,029 4,029 Toaru Majutsu no Index II vol.4 Limited Edition DVD ver.
26, 4,010 4,010 Ore no Imouto ga Konnani Kawaii Wake ga Nai vol.6 Limited Edition DVD ver.
27, 3,757 3,757 Mobile Suit Gundam 0083: Stardust Memory DVD Box G-Selection

Blu-ray
*1, 54,000 54,000 Mahou Shoujo Madoka★Magica vol.2 Limited Edition
*2, 23,000 23,000 IS: Infinite Stratos vol.2
*3, 16,000 16,000 Ore no Imouto ga Konnani Kawaii Wake ga Nai vol.6 Limited Edition
*4, 15,000 15,000 Tiger & Bunny vol.1 Limited Edition
*5, 11,000 11,000 Toaru Majutsu no Index II vol.4 Limited Edition

Single CD
*9, 14,438 *14,438 Dog Days "Presenter"
17, *6,790 131,255 SKET Dance "Kakko Warui I love you!"
18, *6,459 *79,418 Ao no Exorcist "Core Pride"
19, *6,362 **6,362 Nichijou "Zzz"
22, *5,476 **5,476 A-Channel "Morning Arch"
23, *5,402 **5,402 Denpa Onna to Seishun Otoko "Ruru"
27, *4,704 **4,704 Kami nomi zo Shiru Sekai II "Ai no Yokan"
28, *4,140 **4,140 Seikon no Qwaser II "metaphor"
29, *3,798 **3,798 Softenni "Tsumasakidachi"
32, *3,166 **3,166 Steins;Gate "Toki Tsukasadoru Juuni no Meiyaku"
34, *3,092 *28,564 Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai "secret base ~Kimi ga Kureta Mono~"
38, *2,705 **2,705 Yondemasu yo, Azazel-san. "Pandemic!"
41, *2,577 **2,577 Hoshizora e Kakaru Hashi "Koshikaze no Holoscope"
44, *2,402 *18,207 Denpa Onna to Seishun Otoko "Os-Uchujin"
46, *2,448 *19,647 Hidan no Aria "Scarlet Ballet"

Album CD
*5, 14,043 14,043 Suzumiya Haruhi no Yuuutsu etc. "Aya Museum" by Hirano Aya
14, *6,157 *6,157 Katanagatari etc. "Queendom" by Ali Project
15, *5,942 *5,942 The iDOLM@STER Artist 2 - Second Season - 01 by Kugimiya Rie
18, *5,373 *5,373 The iDOLM@STER Artist 2 - Second Season - 02 by Shimoda Asami
21, *4,414 *4,414 Maria†Holic Alive "RunRunRiru RanRan LaLa" by Kobayashi Yuu
22, *4,373 *4,373 Fukuyama Jun "Ai wo Utau!"
24, *3,749 15,806 Hatsune Miku "Unhappy Refrain"
38, *2,528 *2,528 Inazuma Eleven Song Collection vol.2

Sources: Oricon Youtaiju, Oricon News