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If you’re unfamiliar with ON/OFF, you might be surprised to learn that it’s actually a duo comprised of identical twin brothers, Sakamoto Kazuya and Naoya (left-to-right in the video preview picture). Being identical twins, their voices naturally sound the same, making it somewhat difficult to discern that there are actually two vocalists rather than a backtrack sung by the same person. Admittedly, I was quite oblivious about that fact when I first heard their second single “Futatsu no Kodou to Akai Tsumi” as the opening theme of Vampire Knight back in 2008. In any case, their third single “Rinne -Rondo-” was subsequently featured as the opening theme of the Vampire Knight Guilty sequel the same year. I took an almost immediate liking to both songs when I first heard them, which made it pretty easy for me to get into the second Durarara ending sequence we have here.
As for the duo itself, they’re still a fairly new group having only debuted back in 2007 with the song “Eien no Setsuna”, which became the ending theme of the television drama of Fuuma no Kojirou. What’s notable about that though is that they both had recurring roles in the show itself as well. For those wondering, Naoya is the slightly older one of the two and while they don’t quite look identical in this PV (Kazuya’s eyes look bigger), they do a lot more in the profile shots on their official website. The single for Butterfly was released today (6/9) and featured this PV in the limited edition.