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Pre-series Timeline[]

Timeline

December[]

December
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11[1] 12[2][3][4] 13[5] 14[6][7]
15[8] 16 17 18[9][10] 19 20 21
22 23 24 25 26 27 28
29 30 31

Events[]

  1. Yūma Kuga transfers to Third Mikado City Middle School and befriends Osamu Mikumo.
  2. Marmods show up at Third Mikado City Middle School, revealing that C-rank agents don't have Bail Out.
  3. An Ilgar appears in Mikado City; destroyed by Ai Kitora and Yūma Kuga.
  4. Osamu Mikumo meets Yūichi Jin who is tasked with figuring out the abnormal portals.
  5. Yūma Kuga reveals the culprit was thousands of Rads; thanks to Jin, every agent in Border joins to exterminate the Rads, ending the Rad Infestation.
  6. Osamu Mikumo asks Yūma Kuga to meet up with Chika Amatori; Yūma Kuga vs. Miwa Squad fight begins.
  7. Jin recruits Yūma along with Osamu and Chika to (unofficially) form Tamakoma Second; Yūma's past is revealed.
  8. The newly formed Tamakoma Second meets with Yūichi Jin and Shiori Usami, the latter of which explains the basics of Border; their respective Tamakoma First mentors are introduced.
  9. Border's top teams have come back from their away mission after revealing their loot; Miwa Squad is assigned to steal Yūma's Black Trigger, but Jin alongside Arashiyama Squad intervene, thus initiating Yūichi Jin and Arashiyama Squad vs. Border's Top Teams.
  10. Jin gives up Fūjin in exchange for Yūma's enlistment, to which Kido accepts the deal.

January[]

January
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4
5 6 7 8[1] 9[2] 10[3] 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31

Events[]

  1. Border Member Official Enlistment Day
  2. Osamu vs. Midorikawa happens. (Date unknown, but must be after January 8th)
  3. Second Large-Scale Invasion occurs where Aftokrator invades Mikado City to kidnap C-rank agents. (Date unknown, but must happen after January 9th)

February[]

February
Sun Mon Tue Wed Thu Fri Sat
1[1]
2 3 4 5[2] 6 7 8[3]
9 10 11 12 13 14 15[4]
16 17 18 19[5][6] 20 21 22[7][8]
23[9][10] 24 25 26 27 28

Events[]

  1. B-Rank Wars begin.
    B-Rank Wars Round 1
    Tamakoma Second vs. Yoshizato Squad vs. Mamiya Squad
    Lower Division Night Session
  2. B-Rank Wars Round 2
    Tamakoma Second vs. Suwa Squad vs. Arafune Squad
    Middle Division Night Session
  3. B-Rank Wars Round 3
    Tamakoma Second vs. Suzunari First vs. Nasu Squad
    Middle Division Day Session
  4. B-Rank Wars Round 4
    Tamakoma Second vs. Ninomiya Squad vs. Kageura Squad vs. Azuma Squad
    Upper Division Day Session
  5. Galopoula's Invasion.
  6. B-Rank Wars Round 5
    Tamakoma Second vs. Katori Squad vs. Kakizaki Squad
    Middle Division Night Session
  7. Hyuse joins Border.
  8. B-Rank Wars Round 6
    Tamakoma Second vs. Ōji Squad vs. Ikoma Squad
    Upper Division Day Session
  9. Yuri Rindō and Mikhael Cronin are introduced.
  10. Chapter 163 Dinner party at Kageura's family restaurant is held.

March[]

March
Sun Mon Tue Wed Thu Fri Sat
1[1]
2 3 4 5[2] 6 7 8
9 10 11 12 13[3] 14 15
16[4] 17[5] 18 19 20 21 22
23[6] 24[7] 25[8] 26 27 28 29
30 31

Events[]

  1. B-Rank Wars Round 7
    Upper Division Day Session
  2. B-Rank Wars Round 8
    Upper Division Night Session
  3. The away mission test orientation takes place.
  4. Captain interviews are held in preparation for the away mission test.
  5. Phase 1 of the away mission test begins.
  6. Phase 1 of the away mission test ends.
  7. Phase 2 of the away mission test starts.
  8. Phase 2 of the away mission test ends.
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