The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 10 theme: Conflict and Secret Societies.

1. Ranpo-sensei Laughs Like This by Takayama Shinobu
2. Secret Mission by Saeki Yashiro
3. Fang by Kawazoe Mariko & Nakamura Sachiko
4. Black Swastika Army by Katagiri Ikumi
5. Mushroom and Kappa - A Fierce Conflict of Honourable Men by Magami Guriko
6. Boys’ Cavalry by Kayase Shiki
7. Rindou by Asada Yasuka
8. Hideout by Sekka
9. Un Orso by Mizuhara Kenta
10. Be Enthusiastic, Father! by Inui Miku
11. A Promise by Seno Tatsune & Takamiya Aya
12. Let’s Meet at the Secret Society by Kinoshita Sakura
13. Will O' the Wisp by Kouzuki Leo
14. The Village of the Secret Agreement by Ueda Shinshu
15. At the End of an Endless Desire by Akai Higasa
16. Demon King Time by Kanou Ruri
17. Messenger of Justice ★ Moonlight Organisation by Usaki Hitomi

Volume 7 : Wizard and Magician1. Kawahori the Word Man by D. Kissan*2. Night bird by Kouzuki Reo3. Mushroom and Kappa - Magic Users’ Chapter by Magami Guriko*4. Good Day For Me by Omote Sora*5. Love Coloured Glasses by Bikke*6. The Kind Black Witch by Ueda Shinshuu7. The Magician and I by Mikawa Verno*8. Kokonoe Kyuujutsu by Aoto Takane*9. Forest’s Poison by Kumeta Natsuo10. The Witch and I by Saeki Yashiro*11. Kashoku by Kayase Shiki12. Magical Girl Alice and Her Brother by Igarashi Ran13. Magic! by Mizuhara Kenta*14. The Kind Magician and the Paper Bag Girl by MIZUTANI Yuzu & KAEDE Tohru15. Secret Service by Suzuki Ichiko* indicates oneshot being scanlated.