This kdrama genre are comedy, romance, Drama. I started watching this kdrama on 2026.09.22. There's 32 episodes so it's really worth watching in the long run. Cast by Go A ra and Lee Jong wok. I watched from telegram channel. Overall the story is about Gu ra ra born without her mom, raising well by her father. Her dad is her source of motivation to play piano to make her dad happy and proud of her. She's a kind of person that treats everyone well, clumsy, sensitive, and gives people laugh at her laughable attitude. What's surprising is her optimism spirit and commitment on something she wanna do well. Then she met sun junwoo who's a high school student that are kind of Quiet person that doesn't want everyone knows his status and lives. He has his precious friend same age as him, but has died tragically on her dad birthday after school struck by a lorry in front of his eyes and saying goodbye to him for the last time. He's a self sufficient and hardworking person. Loves helping people through his intention, not applaud. The title "do do sol sol la la sol" is a piano notes by twinkle twinkle little star 🌟 gu ra ra first song she learned at piano lessons and then become her signature symbol of her identity.