The 14th Pocket Monsters movies
Victini and the Light Hero - Reshiram / Victini and the Dark Hero - Zekrom (ビクティニと白き英雄レシラム / ビクティニと黒き英雄ゼクロム) debuted in the #2 spot behind the final Harry Potter movie Harry Potter and the Deathly Hallows - Part 2 which also debuted worldwide this week. The Pocket Monsters movies were grouped together in the box office sales which was enough to beat Kokuriko-Zaka Kara (コクリコ坂から). The box office sales were for July 16th, 2011 to July 17th, 2011.
Source:
http://eiga.com/ranking/