Sometime after the confrontation with Cosmo Entelecheia and successfully locating his parents, Negi Springfield decides that he needs some time away from Mahora to properly plan his life out, freed as he is from the need to worry about the fates of his family and students. Thus, he leaves in the middle of the night, accompanied only by Chamo, for a new school in an entirely different part of Japan. Here, he hopes to settle down for a normal year of teaching to think things through.There's just one problem:He's gone to Uminari City, three very powerful mages are part of his new class, and the TSAB is finally figuring out that maybe Nanoha and Hayate aren't the only mages of note on the planet.What follows is a saga of equal parts sugary, fluffy goodness, mind-rape, and ensuing hilarity. All the while, a new enemy slowly encroaches on the city, threatening both Negi and his students. Considering that three of his charges include Nanoha, Fate, and Hayate, however, things are going to get very sticky, very quickly.The story can be read here.
Accidental Public Confession: Chamo, excited to see Konoka, starts talking in front of Amy...who is unaware that Negi is a mage, that Kamo can talk, and that there is a mage population on Earth. Seconds later, Asuna jumps through the window in full armor, swinging a sword around and demanding to know where Negi is.
Adaptational Badass: In this story, Yukihiro Ayaka has a combat-oriented artifact and is being trained by Setsuna (as opposed to being Locked Out of the Loop or having a useful but noncombat oriented artifact).
The Aloner: Negi isn't aware of the other mages in town, and unlike in Mahora, he manages to keep the fact that he uses magic (mostly) secret; as such, the local mages have no reason to inform him of anything. And since the enemy/enemies have yet to reveal themselves, he can't just call Ala Alba over for the weekend to quickly stomp them (since all the other members of Ala Alba are still in school, and can't afford to camp out in Uminari City indefinitely). As far as he knows, he is The Only One that can fend off the mysterious attackers hiding within the city. This is what leads to him resuming his training, and is why he continues it despite the increasingly dangerous weather conditions.
Alien Non-Interference Clause: A "Prime Directive" is mentioned, and since the author has "Jean-Lauc Picard" hanging about in TSAB service, one may make some reasonable assumptions...
Alternate Timeline: This story takes place in a world where Negi found his parents, who are happily living in Ostia (as opposed to finding out that his father Nagi was serving as the latest body for the Lifemaker), and where Negi never stopped teaching.
Negi: I am Negi Springfield, offspring of the Thousand Master and the Princess of Ostia. I have been trained by the greatest masters of combat and magic, and have never failed to impress them. I have faced demons, madmen, cyborgs, and gods themselves, all for the sake of others. I have traveled the world in search of one man thought dead. And I found him. You think the darkness scares me? You think I am just some child? You think I would back away from anyone who would hurt my students?JUST WHO THE HELL DO YOU THINK I AM?
Later, Nanoha makes one against Negi:
"I have fought demons, monsters, robots, and summons, I have faced down the darkest depths and rescued my precious ones from its grasp. There is no obstacle I cannot surpass, no foe I that can outrun my shot. I am Takamachi Nanoha, AND I AM NOTA PERVERT!"
Damn you, puberty!
Broken Masquerade: Originally, the TSAB did not know about Earth's mage population. Now they do.
Call Back: Asuna uses the example of Negi vanishing her bear panties to justify the publishing of a pamphlet about getting Clothing Damage during mage fights.
Picard later shows up. Yes, he's the captain of a ship called Enterprise. He even has a Data with him.
A recipient of a Midoriya cake delivery ended up being the Marui girls from Mitsudomoe.
The Cavalry Arrives Late: Negi, having just saved Hayate from the mysterious darkness wielding opponents, is trying to figure out how to transport her back home when Zafira arrives.
Cool and Unusual Punishment: Arika's punishment of Kurt Godel for attempting to harm Negi. Stripped of all his personal power and demoted to being Arika's secretary his office and personal quarters are relocated to next door to Arika's personal quarters. His paperwork is charmed so it can only be read at night and the wall between Kurt and Arika's rooms is deliberatly thin so he can hear everything that goes on at night. And to top it off, if he attempts to relieve himself...
"JACK RAKAN RIGHT HAND PUNCH OF COCKBLOCKING!"
Clothing Damage: Subverted. Nanoha and company's school uniforms have such long skirts that Negi can't blow them up with a sneeze. Lampshaded in a later chapter when Negi finds that his students have made a pamphlet explaining all the ways a mage can 'expose' you.
Comedic Sociopathy: Negi very nearly found himself on the receiving end of some after Nanoha found out that he had collapsed with a fever inside his locked apartment.
Nanoha: "Hang on, Negi-sensei. You won't be alone anymore. Divine Bus-"
Amy: "Nanoha-chan, what do you think you're doing?"
Shamal also has one, saying that her magic won't make Hayate walk, only her courage will. Negi promptly sneezes in response.
Alyssa and Suzuka mention a garden party crashed by the Tokyo Mew Mew.
Covert Pervert: Due to some mixed-up feelings about Negi, Nanoha has several fantasies about the two of them being a 'couple.'
Crazy-Prepared: The Ala Alba didn't seem to have much faith that Negi could keep his secret safe, so the Library Club published a series of pamphlets. Their topics range from dark magic possession and talking familiars to Pactio makeout tips and the risk of getting stripped naked while in battle.
Apparently, Chamo always has a few flash-bangs on hand.
Crippling Overspecialization: In Chapter 23, Negi cannot bring himself to attack a monster just outside a window because he says none of his good attacks will leave the building intact
Dynamic Entry: Nanoha attempts to use Raising Heart to bust Negi's apartment door down. Asuna has TWO: One when she kicked her door down, and another when she flies in through Fate's window. Neither are met with approval.
Effortless Amazonian Lift: One of the first tings Konoka's mother does when she first arrives is lift both of Nanoha's siblings and father in the air in a series of spine-snapping hugs
Face Palm: Lindy's favorite reaction to Fate-chan and Arf's antics.
Follow the Leader: Zephyr-Fiction, the author, freely admits that this story is based off of Shadow Crystal Mage's similar fic Overlords and Overkill. However, this is Played With because he and Zephyr not only have routine correspondence about their stories, but Mage has also freely accepted the fact that he inspired Zephyr in the first place.
Foreshadowing: Fate's skin is icy cold when Admiral Graham meets her in the hallway, even though the ship itself is quite warm.
Idiot Ball: Negi apparently packed it away when he moved out of Asuna's room. What do you do when an unknown enemy is preying on your students and mind-raping them beyond belief? Nearly kill yourself training solo in order to protect them.
I Work Alone: Negi ditched all his allies and is working alone because he doesn't want to bother them. He's also worried that if he lets them know where he is, all of 3-A will come harass him again.
Kansas City Shuffle: Meta-version. In one early chapter, we all think Negi's going to sneeze and blow Nanoha and company's skirts up, as usual. Instead, he propels himself into the air and faceplants onto the floor behind him.
Nanoha: W-why does everyone think I beat up my friends all the time?
Large Ham: Asuna runs around with her artifact out, screaming about how she's going to handle Negi. Surpsingly, Konoka gets in on the act in Chapter 17.
Ayaka and Nodoka get a scene where Ayaka goes back to her old self and provokes Nodoka into using her artifact as a blunt weapon. Vita and Hayate treat it as if they are watching a Soap Opera.
Magic A Is Magic A: Extensive detail is given to Shamal's medical magic, along with a good explanation as to why she can't just heal Hayate's legs. Apparently, because her leg muscles haven't been used at ALL, they need to heal naturally.
Meaningful Name: The name of the most feared and bloodthirsty admiral in the TSAB apparently means "Blood Fist" in German, or Ancient Belkan, if you want to be exact.
Mind Rape: Poor, poor Arf and Hayate. This seems to be the standard modus operandi of the bad guys.
They also try it on Chamo and Negi, but both of them see through it almost immediately.
Missing Mom: We see the tail end of this trope in the form of Konoeko Konoe, Konoka's mother who has returned from a TEN YEAR trip to America.
Moment Killer: Nagi interrupts his OWN bout of love-making to call Jack, and Arika weaponized the trope in the form of a Rakan construct that punches Kurt in the face every time he tries to jerk off.
Chapter 6 begins with a description of Hayate making breakfast for her knights, in which Hilarity Ensues when she "punishes" Vita. It ends with Hayate being Mind Raped into thinking her knights are dead and the city is destroyed. Also contains a Shout-Out to The Lion King.
Mutual Masquerade: In the beginning, the TSAB go out of their way to conceal their traces while trying to study Earth. In contrast, the Earth mages are so good at covering their tracks that the TSAB don't even know they're there. This gets broken, first by Chamo and Arf, and later by some of the Ala Alba girls.
What Could Have Been: An In-universe example: Chamo's original plan for revealing Earth magic to the TSAB involved bringing everyone to Mahorafest. Any fan of Mahou Sensei Negima! knows that would have been a recipe for disaster.