Minako Kotobuki (寿美菜子, born September 17, 1991) is a Japanese seiyū and singer born in Hyogo, Japan. She is best known for her role of Tsumugi Kotobuki in K-ON!. Kotobuki began her singing career with the performance of the opening and ending themes of the 2009 anime series K-On! with fellow voice actresses Aki Toyosaki, Yōko Hikasa, and Satomi Satō. Shortly after, she performed the opening theme of the 2009 Hatsukoi Limited series with Aki Toyosaki, Ayahi Takagaki and Haruka Tomatsu.