Original Webtoon:
Daum, KakaoPage

“Do I have to teach this person?” Do-kyung gave up on her dream of becoming a singer in front of a wall of talent. A trainee with a charming voice appeared in front of her, working as her vocal trainer. "Why is the professor here…" Hee-won, who suffers from severe stage fright, is convinced that only Do-kyung can cure her illness. And Hee-won, who fell in love with Do-kyung at first sight, is cautious about everything in the relationship between professor and student. In the meantime, Do-kyung's disciple suddenly appeared. Seoho, who has returned as the main idol vocalist, goes straight ahead with his younger cuteness to Dokyung, whom he has had a crush on for a long time... What choice will Hee-won, who is anxious alone, make!?