The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 4 theme: vampires.

1. Sleeping Vampire by Kinoshita Sakura

2. Mushroom and Kappa by Magami Guriko

3. Crossing the River by Kouga Yun

4. A Shower in the sunshine by Omote Sora

5. Urban Vampire by Bikke

6. Sky Burial by Takayama Shinobu

7. Today's Dining Table by Saeki Yashiro

8. The Aegis of the Coffin of Time by Yugyoji Tama

9. Forest of Nobility by Kayase Shiki

10. Chiyo-sama! by Shindo Arashi

11. Strigoi Kingdom by Serikawa Mame

12. The Catharsis of Truth by Inui Miku

13. Blood Donation Advice by Igarashi Ran

14. The Novice Vampire by Amamiya Azusa

15. A Gentle Temperature by Kisaragi Yoshinori