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

The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 6 theme: special forces and teams.

1. Soraharo! She Came from the Sky by Mikawa Verno
2. Monarch Sacred by Seno Tatsune & Takamiya Aya
3. Villains by Amamiya Azusa
4. Team ♥ Funyapara by Yoneyama Setsuko
5. WR by Asahina Asato
6. Mushroom and Kappa by Magami Guriko
7. Frightening Eccentric by Sakamaki Yukisato
8. Talking Gap by Kisaragi Yoshinori
9. Hero Biography - Blazer 3 by Igarashi Ran
10. Vermilion by Tokitoh Kanade
11. Please, Mr Hero! by Usaki Hitomi
12. Shinobi Level 1 by Aotsuki Yuzu
13. ♥ 1st year ♥ Ninja by Saeki Yashiro
14. Rock x Rock Days by Mitsu Nanae
15. Twins Pocky by Serikawa Mame
16. Pledge of the Ox by Kayase Shiki
17. L x L by Shindou Arashi