In 2026, eleven years after the introduction of internet-connected augmented reality eyeglasses and visors, Yūko Okonogi moves with her family to the city of Daikoku, the technological center of the emerging half-virtual world. Yūko joins her grandmother's "investigation agency" made up of children equipped with virtual tools and metatags. As their research turns up mounting evidence of children who have been whisked away to the mysterious "other side" of reality, they find themselves entangled in a conspiracy to cover up the dangerous true nature and history of the new technology.
Cast: Fumiko Orikasa, Houko Kuwashima, Akiko Yajima
Season 1
26 episodes
1. The Children with GlassesWhen Yasako and Kyoko's virtual pet dog, Densuke, goes missing, Yasako procures the assistance of a detective.TV-Y7CC25minMay 12, 2007
2. COIL Cyber Detective AgencyYasako and Fumie ask Yasako's grandmother to cure Densuke of his potentially fatal illness. In return, Yasako must agree to an interesting, and dangerous, bargain.TV-Y7CC25minMay 19, 2007
3. Yuko and YukoWith Densuke back, the Mojos drop him off with Isako. After freeing him from the illegal, Isako makes an enormous mistake in trying to unlock the virtual being.TV-Y7CC25minMay 26, 2007
4. Daikoku City Heike ClubA battle breaks out at school! During the commotion, Fumie steals a mysterious piece of data from Amasawa.TV-Y7CC25minJun 2, 2007
5. The Metabug Scramble Bus TourThe Hackers' Club goes on a metabug expedition over the fringes of surrounding cyberspace lead by Isako.TV-Y7CC25minJun 9, 2007
6. The Red AutomatonYasako and Fumie begin an investigation into Haraken and Searchmaton. Under pressure, Haraken reveals something huge to Yasako and Fumie.TV-Y7CC25minJun 16, 2007
7. In Action!! The COIL Detective AgencyIsako once again summons an illegal with the help of the Daikoku Hackers. With Yasako and Fumie working on an unrelated case, will the virus take over?TV-Y7CC25minJun 23, 2007
8. The Summer Festival and a DuelIsako hatches a risky plan, and Daichi's newly rekindled friendship with Fumie may suffer as a result.TV-Y7CC25minJun 30, 2007
9. Michiko-san from the Other SideThe kids spend a dark and stormy night telling ghost stories and playing spooky games at school. Meanwhile, Haraken has an interesting other worldly experience.TV-Y7CC25minJul 7, 2007
10. Kanna's DiaryFollowing clues left by Haraken's former research partner, Haraken, Fumie, and Yasako search for any new leads.TV-Y7CC25minJul 14, 2007
11. Sunken! Daikoku CityDaichi's plan to acquire metabugs via a fish-type illegal doesn't go as planned and may endanger everyone in the virtual vicinity.TV-Y7CC25minJul 21, 2007
12. Daichi Grows HairYasako finds a race of microscopic illegals growing on their faces that are on the brink of destruction. Can Yasako figure out a way to save them?TV-Y7CC25minJul 28, 2007
13. The Last PlesiosaurA docile illegal follows the kids on a hazardous journey through the city, driven to find more of its kind.TV-Y7CC25minAug 4, 2007
14. Record of a Living BeingAkira, Fumie's little brother, recalls the events thus far from his own perspective. Later, Haraken is warned by Nekome to stop investigating.TV-Y7CC25minSep 1, 2007
15. The Young Boy Beyond the StationYasako searches for the place she met 4423. Afterward, she deduces that the place was a virtual space that was deleted.TV-Y7CC25minSep 8, 2007
16. Isako's Hospital RoomHaraken and Fumie discover early accounts from previous denno users. Later, Yasako visits her comatose brother.TV-Y7CC25minSep 15, 2007
17. The Final Summer VacationHaraken asks Isako to take him to the so-called "other world" in an effort to see if Kanna Ashihara still exists.TV-Y7CC25minSep 22, 2007
18. The Door to Another WorldHaraken barely makes it back through Isako's gateway. Tamako, fearing for his life, takes his glasses away. Meanwhile, trouble begins as a space appears behind Megabaa's shop.TV-Y7CC25minSep 29, 2007
19. The Dark VisitorsWith Kyoko on the "other side", Fumie and Yasako get help from Densuke to help guide Kyoko's denno body back to her real one.TV-Y7CC25minOct 6, 2007
20. Kanna and YasakoHaraken uses Kanna's glasses to sneak to the "other side." Yasako also enters with the help is Isako and Tamako.TV-Y7CC25minOct 13, 2007
21. The Dark AutomatonMegamass is doing research on the "other side" and the effects of the den-noh coil. Isako finds herself drawn into it.TV-Y7CC25minOct 20, 2007
22. The Final COILYasako and Isako are running from Megamass. While hiding, they discover that Densuke might be able to open a stable portal.TV-Y7CC25minOct 27, 2007
23. The Granted WishFor various reasons, Nekome wants to join her brother on the other side, and the only way is to somehow convince Densuke to help.TV-Y7CC25minNov 10, 2007
24. The Children Who Throw Away Their GlassesThe events surrounding Isako frighten the other parents. In an effort to keep their children safe, they confiscate their glasses, but at what cost?TV-Y7CC25minNov 17, 2007
25. The Kanazawa City Hazama IntersectionDesperate to save Isako, Yasako finds a pair of glasses that belonged to her grandfather and uses them to travel to the other side.TV-Y7CC25minNov 24, 2007
26. Yasako and IsakoYasako comes face to face with the true nature of the Coil Domain and Michiko. Even with the support of her friends, can she save Isako?TV-Y7CC25minDec 1, 2007
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Den-noh Coil
What if you could view a hidden world... that no one else could see?
In 2026, eleven years after the introduction of internet-connected augmented reality eyeglasses and visors, Yūko Okonogi moves with her family to the city of Daikoku, the technological center of the emerging half-virtual world. Yūko joins her grandmother's "investigation agency" made up of children equipped with virtual tools and metatags. As their research turns up mounting evidence of children who have been whisked away to the mysterious "other side" of reality, they find themselves entangled in a conspiracy to cover up the dangerous true nature and history of the new technology.
Creators and cast
- Directors
- Mitsuo Iso
- Created by
- Masao Maruyama, Satoshi Yoshimoto
