"When Night Is Falling" • "Tonight" • "End of the Night" • "Good Bye" • "Love Me" • "Sometimes" • "Yesterday" • "Say Hello" • "I Miss U" • "We're Breaking Up" • "The Love" • "Losing Sleep Over You" • "Memory" • "Just Another Day" • "I Hope the Painful Memories Weren't Love"
Remake singles
"Cho Youngsoo Remake Project Part.3"
Collaborations
"Sick" • "Just Had a Drink" • "How You Doing" • "I Miss You" • "Cyworld BGM 2021" • "I Miss You" • "Way" • "White Christmas"