Likewise to her success with "Hikari" and "Simple and Clean", Utada once again gained worldwide attention and commended for "Passion" and "Sanctuary", due to its success with the second Kingdom Hearts video game; by March 2007, the English adaption of the game sold over four million units worldwide [REF].
Despite its commercial success, they were not able to match the sales of the singers predecessor "Hikari"; "Passion" sold over 112,000 physical units (with an additional 200,000 digital and cellphone units), coming to a total of over 350,000 units [REF].