Here is the weekly DVD sales ranking for April 12th - 18th.

*1, 3,919 49,060 Mobile Suit Gundam Unicorn vol.1
*2, 3,724 *3,724 Detective Conan Magic File 4: Osaka Okonomiyaki Odyssey
*3, 3,661 *3,661 Seitokai no Ichizon vol.5 Limited Edition
*4, *,*** **,*** Summer Wars
*5, *,*** **,*** Katekyo Hitman Reborn! Rebo-chara Collection vol.1
*6, *,*** **,*** Mobile Suit Gundam SEED Destiny DVD-Box
*7, *,*** **,*** My Neighbor Totoro
*8, *,*** **,*** (no data)
*9, *,*** **,*** Peeping Life
10, *,*** **,*** Trigun DVD-Box
11, *,*** **,*** Durarara!! vol.2 Limited Edition
12, *,*** **,*** (ATOM Standard Edition)
13, *,*** **,*** Kiddy GiRL-AND vol.6 Limited Edition
14, *,*** **,*** Durarara!! vol.1 Limited Edition
15, *,*** **,*** Gake no Ue no Ponyo
16, *,*** **,*** Detective Conan Secret File vol.4
17, *,*** **,*** Katanagatari vol.1 Limited Edition
18, *,*** **,*** Nodame Cantabile Finale vol.1
19, *,*** **,*** Hetalia Axis Powers vol.8 Limited Edition
20, *,*** **,*** Kiki's Delivery Service

Sources: Youtaiju, Oricon DVD Ranking