QUARTET NIGHT is fictional boy-band quartet from anime series Uta no☆Prince Sama♪ Maji LOVE 2000%. The members are Kurosaki Ranmaru (黒崎蘭丸 (鈴木達央)), Kotobuki Reiji (寿嶺二 (森久保祥太郎)), Camus (カミュ (前野智昭)), Mikaze Ai (美風藍 (蒼井翔太)).
The boys are also seniors of Saotome Academy, and by Principal Shining's request, they are as 4 sempai guiding ST☆RISH rookis in the anime's second season.
Kurosaki Ranmaru is voiced by Tatsuhisa Suzuki (鈴木達央)
Kotobuki Reiji is voiced by Morikubo Showtaro (森久保祥太郎)
Camus is voiced by Maeno Tomoaki (前野智昭)
Mikaze Ai is voiced by Aoi Shouta (蒼井翔太/SHOWTA.)