| Universes | Series | Writing Events |
|---|
| Series | Author | Story Count | Updated | Change | |
|---|---|---|---|---|---|
| 1 | Office Encounters | Wayac | 4 | ||
| 2 | Oh Daddy, I Came! | Areus Lyeus | 2 | ||
| 3 | Oh My God, Mr Clark!! | sexyschoolgirl22 | 5 | Added 'Horny Sexy Sarah and Teacher' | |
| 4 | Olexander Skripnik the Hunk | Horace Baldwin | 2 | ||
| 5 | Olivia, Ruth, and Dr. Tim | Mat Twassel | 2 | Added 'Olivia at Dunkin' | |
| 6 | Omniscience | PT Brainum | 7 | Added 'The Twelfth - a John the Genius Story' | |
| 7 | One That Got Away Series | GeorgeBurdell | 2 | Added 'After the Omega Variant' | |
| 8 | One Week with Heather | CW | 5 | Added 'Jess and Aaron's New Neighbor (OWWH 4)' | |
| 9 | Oscar | Tedbiker | 12 | Added 'Another Aviation Museum? Really?' | |
| 10 | Our Affair | LexiRose | 5 | Added 'November Rain' | |
| 11 | Over the Hills and Faraway | Jack Green | 5 | Added 'Over the Hills and Faraway, Book 5. Paying the Piper' |