"Superstar K2" contestant Kim Greem made her official debut through Mnet's "M! Countdown" on April 7th, and she's shared her thoughts on finally taking the first step in her career. The star tweeted, "I finally completed my first stage as singer 'Kim Greem'. Thank you so much to everyone who has supported me. 'll be doing my best to become a Kim Greem that always works hard. She continued, "And Jo Young Soo oppa, who came to support me! I'll make sure to sketch out my future career as a singer to the best of my ability. This is a bonus picture!" Accompanying the tweet is a photo of her and Jo Young Soo, the hit composer of her agency, NEXTAR Entertainment. Fans commented, "Greem, you're so pretty," "I thoroughly enjoyed your debut stage!", "I hope you don't lose that mindset! I'll always be supporting you," and "Congratulations on your debut!" Source: Star News via Nate