Heize's song, "Don't Make Money," is about her commitment to supporting her family and loved ones financially

"But, Are You?" by Heize is a song about a person struggling with the aftermath of a breakup

"My Boyfriend Says Thank You" is a song by Heize that tells the story of a woman who is grateful to her boyfriend for always being there for her

Heize's song "Undo (없었던 일로)" tells the story of a person who is trying to move on from a past relationship

Heize's song "No Reason (이유)" is about a person who is so in love with someone that they don't need a reason to stay by their side

Heize's song "Hitch Hiding" (숨고 싶어요) is about feeling overwhelmed by the pressures of fame and constantly being in the public eye

The song "그날의 그대여" by Heize is a nostalgic ballad about a past love

Heize's song "Sad Ending" (어쩌면 우리) tells the story of a relationship that has ended badly

Heize's song Always Be There For You is about wanting to protect someone and being there for them through all the beautiful and difficult moments in life

"Run To You" by Heize is a heartfelt love song about a person who is willing to go the extra mile to be with the one they love