myspace: @naoya_kazuya

ON/OFF duo consists of the Sakamoto (坂本) twins, Naoya (直弥) and Kazuya (和弥). Naoya is older twin brother and Kazuya is younger twin brother.

ON/OFF has disbanded on January 3, 2015 during Shinshun Futago Densetsu vol.67 after doing lots of lives.