An animated film by Toei Animation was released in September 2007 , followed by two TV anime series including two original video animation ( OVA ) episodes by Kyoto Animation produced between 2007 and 2009 .
It was later ported to the PlayStation 2 , PlayStation Portable , Xbox 360 , and PlayStation 3 consoles.An animated film by Toei Animation was released in September 2007 , followed by two TV anime series including two original video animation ( OVA ) episodes by Kyoto Animation produced between 2007 and 2009 .