No one is going to sing at the karaoke

S1 E6: The only ones left in the business are Tenoch and Memo. Daniela is their new competition. Also, teacher Ilse wants them to stop. Tenoch decides to retire after pulling off an exam heist. Diego annoys Tenoch by saying he's gay, too, so Tenoch mocks Alex in front of others to come out unscathed. Meanwhile, Alex confesses to Rafa that he likes him, but Rafa only wants to be friends.