"Monday to Sunday" is one of the songs for the concept evaluation on Produce X 101. It is part of the EP 31 Boys 5 Concepts.
Members
| Trainee | Position | Votes | Rank |
|---|---|---|---|
| Lee Hyeop | Main Vocal | 11 | 27 |
| Kim Minkyu | Sub Vocal | 68 | 12 |
| Lee Sejin | Sub Vocal | 19 | 25 |
| Tony | Sub Vocal | 53 | 14 |
| Kim Dongyun | Sub Vocal | 13 | 26 |
| Nam Dohyon | Rapper | 110 | 5 |
| Joo Changuk | Rapper | 9 | 28 |