Kosaka (小坂) is a supporting character in WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Not Popular!, voiced in Japanese by Jun Fukushima. The series' music includes "Watashi ga Motenai no wa Dou Kangaete mo Omaera ga Warui", "Dou Kangaete mo Watashi wa Warukunai".
