orologio en CB01 OFFICIAL. Four friends: Putri, Anisa, Imung, and Markus, try to change the money from the choir extracurricular that they accidentally omitted, by participating in the 'Doremi & You' singing competition. The struggle of the four friends to win the competition is difficult when Reno, the choir assistant coach who is expected to become their coach, turns out to be their toughest rival in the competition.