A gradient is the ratio of the elevation difference between any two points to the horizontal distance between them.
When the ideal and the shadows beneath the sun in Academy City begin to diverge,
the city that was supposed to be a future built on expectations and hope
is revealed to conceal surging undercurrents, lives held cheap, and boundless desire.
Looking back, you're already trapped in an abyss of pain and sin.
Will someone stop trying in vain to prevent one tragedy after another, and instead try to solve the problem at its source and take control of this city?
Defeated again and again, unable to rise from the mire of hardship.
Betting everything on the tiniest possibility, appearing once more in a moment of trouble, all for the sake of...
Turning everything around!
Search for the meaning of your own existence, and mark the world's point of origin.
Here, reality shifts, and all things change!
The protagonist is chaotic neutral. He joins the dark side, isn't particularly kind, and takes Touma's personality-correcting punch head-on.
His allegiance is always to himself.
And he secretly plans to rebuild Academy City as a free city.
There are some original characters, and the protagonist has his own main storyline. Clues are hidden in the supporting characters' names.
Parallel storylines for Railgun, Accelerator, A Certain Scientific Railgun, and A Certain Scientific Side Story.
Interwoven with the A Certain Magical Index storyline (I didn't really understand the later parts of Index :()
The protagonist alternates between fighting and getting beaten up.
Level 5's Fifth Ranked Esper -> Level 5's First Ranked Esper -> One who hears the will of God with a mortal body.
The eleven-dimensional calculation here means ten spatial dimensions plus one dimension of time. This differs from the eleven-dimensional spatial calculation in the Index novels.
The science side has no logical consistency; this is my take on physics.
Theme: Trying to rebuild Academy City.
It's so well written, why didn't it suddenly stop updating?