Edit Wataru Kurenai Yuri Aso Mamoru Shima Otoya Kurenai Megumi Aso Shizuka Nomura Castle Doran Kivat-bat the 3rd Jiro Rook Trivia Edit In music, a quartet (French: quatuor, German: Quartett, Italian: quartetto, Spanish: cuarteto, Polish: kwartet) is a method of instrumentation (or a medium), used to perform a musical composition, and