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Story Arcs

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World Trigger's Story Arcs

Border SagaEdit

Introduction ArcEdit

Introduction Arc

Yūma Kuga transfers to Mikado City's third junior high school, where he meets Osamu Mikumo. Yūma learns of Border and the Neighbor invasions, and reveals that he himself is a Neighbor.

Manga Anime
Number of Chapters 16 Number of Episodes 8

Black Trigger Capture ArcEdit

Black Trigger Capture Arc

Yūma's identity as a Neighbor is outed to Border, who sends their best units to assassinate him and take his Black Trigger. However, he was recruited into Tamakoma Branch by Yūichi Jin, who joins force with Arashiyama Unit to protect his new junior.

Manga Anime
Number of Chapters 16 Number of Episodes 8

Border Enlistment ArcEdit

Border Enlistment Arc

On Border's Official Enlistment Day, Yūma and Chika Amatori finally make their debuts, while Osamu battles Sōya Kazama, calling attention to their group. Later, Osamu and Yūma battle Shun Midorikawa, and are afterwards called to a meeting regarding an upcoming invasion.

Manga Anime
Number of Chapters 11 Number of Episodes 5

Large-Scale Invasion ArcEdit

Large-Scale Invasion Arc

A group of humanoid Neighbors, later identified as being from Aftokrator, invade Mikado City in search of Trigger users. Based on Jin's predictions, Border fights to protect civilians and C-Rank trainees.

Manga Anime
Number of Chapters 42 Number of Episodes 16
  1. Large-Scale Invasion
  2. Large-Scale Invasion 2
  3. Large-Scale Invasion 3
  4. Large-Scale Invasion 4
  5. Large-Scale Invasion 5
  6. Large-Scale Invasion 6
  7. Osamu Mikumo 7
  8. Ai Kitora 4
  9. Chika Amatori 4
  10. Tamakoma First
  11. Aftokrator
  12. Tamakoma First 2
  13. Kazama Unit
  14. Large-Scale Invasion 7
  15. Large-Scale Invasion 8
  16. Large-Scale Invasion 9
  17. Large-Scale Invasion 10
  18. Large-Scale Invasion 11
  19. Aftokrator 2
  20. Large-Scale Invasion 12
  21. Large-Scale Invasion 13
  22. Large-Scale Invasion 14
  23. Large-Scale Invasion 15
  24. Large-Scale Invasion 16
  25. Aftokrator 3
  26. Osamu Mikumo 8
  27. Large-Scale Invasion 17
  28. Large-Scale Invasion 18
  29. Large-Scale Invasion 19
  30. Large-Scale Invasion 20
  31. Kyōsuke Karasuma
  32. Large-Scale Invasion 21
  33. Shūji Miwa
  34. Large-Scale Invasion 22
  35. Yūma Kuga 9
  36. Large-Scale Invasion 23
  37. Replica 3
  38. Large-Scale Invasion 24
  39. Osamu Mikumo 9
  40. Yūma Kuga 10
  41. Osamu Mikumo 10
  42. Osamu Mikumo 11

B-Rank Rank Battles ArcEdit

B-Rank Rank Battles Arc

After the invasion, Yūma and Chika officially become B-Rank agents, and form Tamakoma Second with Osamu as the captain and Shiori Usami as the operator. The unit joins the Rank Battles in order to reach A-Rank and join the Expedition Force. Meanwhile, Border's A-Rank units and free B-Rank units thwart an expedition from Galopoula and Rodochroun to destroy Border's Expedition Ship. Out of necessity for the team, Hyuse joins Tamakoma Second.

Manga Anime
Number of Chapters 77+ Number of Episodes 21
  1. Tamakoma Second
  2. Tamakoma Second 2
  3. Tamakoma Second 3
  4. Tamakoma Second 4
  5. Tamakoma Second 5
  6. Tamakoma Second 6
  7. Shiori Usami
  8. Kō Murakami
  9. Yūma Kuga 11
  10. Suzunari First
  11. Nasu Unit
  12. Nasu Unit 2
  13. Nasu Unit 3
  14. Nasu Unit 4
  15. Kō Murakami 2
  16. Yūma Kuga 12
  17. Rei Nasu
  18. Tamakoma Second 7
  19. Tamakoma Second 8
  20. Aftokrator 4
  21. Masataka Ninomiya
  22. Osamu Mikumo 12
  23. Yuzuru Ema
  24. Masato Kageura
  25. Haruaki Azuma
  26. Yūichi Jin 8
  27. Haruaki Azuma 2
  28. Kageura Unit
  29. Masataka Ninomiya 2
  30. Osamu Mikumo 13
  31. Yūichi Jin 9
  32. Yōtarō Rindō
  33. Chika Amatori 5
  34. Aftokrator 5
  35. Aftokrator 6
  36. Galopoula
  37. Ai Kitora 5
  38. Galopoula 2
  39. Galopoula 3
  40. Galopoula 4
  41. Galopoula 5
  42. Galopoula 6
  43. Galopoula 7
  44. Galopoula 8
  45. Galopoula 9
  46. Galopoula 10
  47. Galopoula 11
  48. Galopoula 12
  49. Yōtarō Rindō 2
  50. Hyuse
  51. Galopoula 13
  52. Katori Unit
  53. Tamakoma Second 9
  54. Tamakoma Second 10
  55. Tamakoma Second 11
  56. Tamakoma Second 12
  57. Kuniharu Kakizaki
  58. Osamu Mikumo 14
  59. Yōko Katori
  60. Tamakoma Second 13
  1. Tamakoma Second 14
  2. Hyuse 2
  3. Osamu Mikumo 15
  4. Chika Amatori 6
  5. Tamakoma Second 15
  6. Tamakoma Second 16
  7. Tamakoma Second 17
  8. Tatsuhito Ikoma
  9. Tatsuhito Ikoma 2
  10. Ōji Unit
  11. Kazuaki Ōji
  12. Tamakoma Second 18
  13. Tamakoma Second 19
  14. Hyuse 3
  15. Hyuse 4
  16. Tamakoma Branch 4
  17. Tamakoma Branch 5
  18. Yuzuru Ema 2
  19. Tamakoma Second 20

Anime-ExclusiveEdit

Fugitive ArcEdit

Fugitive Arc

Tamakoma Second attended the training camp in Shizuka City. They met Xeno, a genius Trion Soldier engineer, along with Lilith, a Trion Soldier, who were running away from their planet - Ergates. Gieve and Charon were chasing after them in order to retrieve Lilith to prevent information on Trion Soldier technology from getting leaked. Tamakoma Second cooperated with Xeno and Lilith to stave off Gieve and Charon's attacks while waiting for their opportunity to leave Earth.

Manga Anime
Number of Chapters N/A Number of Episodes 15

N/A

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