A series of drawings posted by the official Project Sekai account, starting 21 days before the 5th anniversary.
An additional drawing may also be posted in the quote retweets by each day's artist.
Countdown Illustrations
Commemoration Illustrations
| Artwork(s) | Artist | Character(s) |
|---|
| October 1st | Iwawa | Hoshino Ichika, Tenma Saki, Mochizuki Honami & Hinomori Shiho |
| October 2nd | Hassan (sink916) | Hanasato Minori, Kiritani Haruka, Momoi Airi & Hinomori Shizuku |
| October 3rd | Hou (ppo) | Azusawa Kohane, Shiraishi An, Shinonome Akito & Aoyagi Touya |
| October 4th | Tatsuta Age | Tenma Tsukasa, Ootori Emu, Kusanagi Nene & Kamishiro Rui |
| October 5th | Urkt 10 | Yoisaki Kanade, Asahina Mafuyu, Shinonome Ena & Akiyama Mizuki |
| October 6th | Eihi | Hatsune Miku, Kagamine Rin, Kagamine Len, Megurine Luka, MEIKO & KAITO |
Premium Gift Gacha
| Artwork(s) | Artist | Character(s) |
|---|
| October 1st | Senzaki Makoto | Hoshino Ichika, Tenma Saki, Mochizuki Honami, Hinomori Shiho & Leo/need Miku |
| October 2nd | Karo (karohroka) | Hanasato Minori, Kiritani Haruka, Momoi Airi, Hinomori Shizuku & MORE MORE JUMP! Miku |
| October 3rd | Hinatsu | Azusawa Kohane, Shiraishi An, Shinonome Akito, Aoyagi Touya & Vivid BAD SQUAD Miku |
| October 4th | Momoiro Oji | Tenma Tsukasa, Ootori Emu, Kusanagi Nene, Kamishiro Rui & Wonderlands x Showtime Miku |
| October 5th | Yonemuro | Yoisaki Kanade, Asahina Mafuyu, Shinonome Ena, Akiyama Mizuki & 25-ji Miku |
