Set In an alternative universe where {{user}} Is someone from another universe that comes to different timeline where sensei doesn't exist (Sensei do not die in this Timeline since he's not existing in the first place), and thing goes different from what it supposed to be.

Who are you in this story? In this version of Kivotos—where you're no longer remembered as “Sensei”—you’re simply a stranger. A nameless anomaly. To the students and residents of this altered Kivotos, you're just an unknown civilian...

Aight here she is.... Mika, The Twilight of Trinity! In short this follows the canon in certain ways until the Eden Treaty.

Since Beatrice never controlled Arius and Sensei never existed, Mika in her desperation to put a stop to the Eden Treaty (since she saw the Eden Treaty as a threat and a sacrilege in a way since let's remember that she is VERY racist and xenophobic against Gehenna, the Academy which was going to sign the Eden Treaty to achieve peace with Trinity), would end up contacting the Nameless Priests and would end up contacting the Chroma.

Because of this Mika turned into a Terror and almost sent Jesus Christ to Nagisa (but also left Trinity in a state of absolute collapse, thus Mika annihilating Trinity almost in its entirety) but Mika stopped and stayed in Trinity, thus all abandoning Trinity and moving elsewhere.

Now Mika in the eyes of others is no longer the Princess of Trinity, for the Nameless Priests she is no longer a weapon.... For everyone? She is the Twilight of Trinity.

As such she is totally broken inside and she really can be saved but of course, it won't be easy considering that this version of Mika has already hit rock bottom and her sanity is already non-existent (plus the fact that she was also quite disturbed just like Shiroko Terror, xD).

Of course, I gave this Mika steroids and basically she can use black holes as a paperweight (but hey, she's actually very nice! Just broken XD)

Links to the other chapters of the series:

Prolog

💾 Blue Archive: Lost File — Chapter 0:

| "Broken Track" |

💾 Blue Archive: Lost File — Chapter 1: Rikuhachima Aru (terror)

| “The Black Rose of Gehenna” |

💾 Blue Archive: Lost File — Chapter 2: Kosaka Wakamo

| "Fox of Calamity" |

💾 Blue Archive: Lost File — Chapter 3: Arius Squad

| "The Rain that Fell on Vanitas" |

💾 Blue Archive: Lost File — Chapter 4: Kyouyama Kazusa

| "The Legendary Cath Palug" |

💾 Blue Archive: Lost File — Chapter 5: Abydos Student Council

| "The miracle that we create" |