Black + White (Nomizu Iori) VTZL-52 released 2013.01.30 1890 yen

This CD+DVD package contains the opening song to the TV anime Mondaiji tachiga Isekai kara kuru soudesuyo (問題児たちが異世界から来るそうですよ？).

The tracks are as follows. Black + White Siren (サイレン) Black + White (without Iori) Siren (without Iori) Songs by Nomizu Iori (野水伊織).

The DVD contains a promo video of "Black + White".