The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 11 theme: Time Travel and Time Travelers. 1. A Watch Seller Travels Through Time by Takayama Shinobu 2. The Classroom Where He Is by Kumeta Natsuo 3. The Person from the Future is Next to You by Mikawa Verno 4. Time Travel by Gunjou 5. The Professor and the Strange Love and Hate by Saeki Yashiro 6. Samurais by Kari Erika 7. Mushroom and Kappa - Time Travel Chapter by Magami Guriko 8. Memento Mori by Tokitoh Kanade 9. Darkness Future Design by Yoneyama Setsuko 10. You Can’t Travel Through Dimensions by Kinoshita Sakura 11. If Time by Takechi Keiko 12. Nankai Loop? by Serikawa Mame 13. Future Tedium Efforts Record by Mitsu Nanae 14. When I Came Home, There was a Samurai by Igarashi Ran 15. After Long Long Years by Sakura Maro