1)
Concept: cute
Debut song: IOI - Very Very Very

2)
Concept: Girl crush
Debut song: BLACKPINK - Ddu-du Ddu-du

3)
Concept: Retro
Debut song: Wonder Girls - Why so lonely

4)
Concept: Sexy
Debut song: AOA - Miniskirt

5)
Concept: Aesthetics
Debut song: f(x) - 4 walls