20 Consecutive Days! Daily Song Campaign (20日連続！毎日楽曲追加キャンペーン) was a song campaign in 2020 commemorating the release of Project SEKAI.
Song list
| Release date | Song | Hint |
|---|---|---|
| 10/1 | Asu no Yozora Shoukaihan | |
| 10/2 | Near | |
| 10/3 | Just Be Friends | |
| 10/4 | Dappou Rock | |
| 10/5 | Inochi ni Kirawarete iru. | |
| 10/6 | World is Mine | |
| 10/7 | Dance Robot Dance | |
| 10/8 | Hand in Hand | |
| 10/9 | Yobanashi Deceive | |
| 10/10 | Gimme×Gimme | |
| 10/11 | Viva Happy | |
| 10/12 | Junky Night Town Orchestra | |
| 10/13 | Miracle Paint | |
| 10/14 | on the rocks | |
| 10/15 | Keitai Renwa | |
| 10/16 | 39 Music! | |
| 10/17 | Aoku Kakero! | |
| 10/18 | Stella | |
| 10/19 | Leia - Remind | |
| 10/20 | Jackpot Sad Girl |