The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 3 theme: princes and princesses.

1. Prince of Stars by Minekura Kazuya
2. Mushroom and Kappa by Magami Guriko
3. Flower King by Kouga Yun
4. Rose Princess Destiny by Kinoshita Sakura
5. The Window of Rain by Takayama Shinobu
6. My Knight is a Princess by Kosugi Mayu
7. The Beggar Princess by Ueda Shinsyu
8. The Dawn Outside Heaven by D. Kissan
9. Princess Academy by Mikawa Verno
10. Princesses by Kari Erika
11. Our Majesty's Tactful Words by Kisaragi Yoshinori
12. Heart-Racing Engagement Meeting by Saeki Yashirou
13. Listen to the Song I Sing by Mizutani Yuzu