Noctchill is an idol unit from the multimedia franchise The Idolm@ster Shiny Colors, it consists of 4 idols:
Toru Asakura (CV: Yuu Wakui)
Madoka Higuchi (CV: Rio Tsuchiya)
Koito Fukumaru (CV: Saran Tajima)
Hinana Ichikawa (CV: Miho Okasaki)