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 Shinobu Takayama 2. The Classroom Where He Is by Natsuo Kumeta 3. The Person from the Future is Next to You by Verno Mikawa 4. Time Travel by Gunjou 5. The Professor and the Strange Love and Hate by Yashiro Saeki 6. Samurais by Erika Kari 7. Mushroom and Kappa - Time Travel Chapter by Guriko Magami 8. Memento Mori by Kanade Tokitoh 9. Darkness Future Design by Setsuko Yoneyama 10. You Can’t Travel Through Dimensions by Sakura Kinoshita 11. If Time by Keiko Takechi 12. Nankai Loop? by Mame Serikawa 13. Future Tedium Efforts Record by Nanae Mitsu 14. When I Came Home, There was a Samurai by Ran Igarashi 15. After Long Long Years by Maro Sakura