Air Comiket 3
Originally planned to be held in person, Comic Market 99 was postponed due to the COVID-19 pandemic. In it's place, a virtual event was conducted on social media using a set of hashtags to facilitate the presentation and sale of self-published (doujin) material.
Official website: https://air.comiket.co.jp/
Releases
| Date | Catalog | Name | Publisher |
| 2021-05-05 | LOLI-0095 | B/M EXHIBITORB/M EXHIBITORB/M EXHIBITOR | Rolling ContactRolling Contact |
| 2021-05-01 | YHST-0144 | Yuuhei Satellite BEST Marcia幽閉サテライト BEST MarciaYuuhei Satellite BEST Marcia | Yuuhei Satellite幽閉サテライト |
| 2021-05-02 | CK-0070P | ZC -THE BEST of ZYTOKINE/CYTOKINE5-ZC -THE BEST of ZYTOKINE/CYTOKINE5-ZC -THE BEST of ZYTOKINE/CYTOKINE5- | ZYTOKINEZYTOKINE |