Teem, Storm/Sierra Mist/Mist Twist/Starry (US), Fruko (Turkey), Chilsung (South Korea), Mitsuya (Japan) is brand of lemon-lime-flavored soft drink produced by The Pepsi-Cola Company. It was introduced in 1959 as Pepsi's answer to Keurig Dr Pepper's 7 Up and Coca-Cola's Sprite.