magic, a science we don't understand, in the past many wizards and mages existed, but today the magical arts is all but extended, when the solar eclipse gave birth to phantoms, but there is something else, after the solar eclipse the black sun appeared swallowed a number of people in the darkness, all except two, the ring leader has entered and the demon lord will begin the show.

How it all begins

the trinity seven, seven girls who are masters of each sin of their thema, Arata, the demon lord candidate is transferred there in order to find Hijiri, but fate has other plans when three otherworldly heroes with multiple abilities came to their world and decided to make this world safe.

(Fanfic crossover) This is a universe that is broken. A world that is nearing its end. No one knows, not even him. What secrets unravel when Aloysius arrived at a special school for Connectors. The people he meets changes his view of everything, but what else changes besides him.

After an incident causes Arata's magic to go out of control Lelouch and Hijiri must work to not only protect their friend, but they must face enemies on different sides with the fate of not only their friend but the world at stake. Lelouch must understand and learn about his own unique potential to break the chains of fate that bind them. Lelouch/Hijiri/Lilith/Harem and Arata/harem

Una nueva aventura comienza diez años despues del torneo del poder y goten quiere tener una aventura como lo hizo su padre de joven, sera capas goten de lidiar con una escuela llena de magas o sera que la escuela sera capas de lidiar con goten, bueno leean y averiguenlo. Goten X Harem

Shiro Emiya, a magus in secret. So, what if we put him in a world where Fuyuki City was not the town he use to know. And possibly the old parallel world traveling troll would be involved in his growth. ShirouxHarem, Opbutnotgodlike!Shirou

Natsu va a una mision a una ciudad pero es llevado a otro mundo, vean las aventuras del Dragon Slayer y las Trinity Seven. Que lo disfruten. Natsu x harem, advertencia spoiler y futuro lemon.

Emiya Shirou es intercambiado por un mago talentoso de otro mundo, y este hace un contrato con Saber. ¿Qué pasara ahora que hay una anomalía aún más grande que el propio Santo Grial? ¿Podrá Rin soportar la falta de sentido común de su nuevo compañero?

Negi and gang following the fight with the Mage of the Beginning get transported to the start of Trinity Seven right before Arata becomes a mage. It'll be Negi/harem and Arata/harem. So basically canon.

Luxuria, Gula, Avaritia, Acedia, Ira, Invidia, and Superbia. The seven archives of magic. But like everything else in existence, they must have their opposites... A new look at the world of Trinity Seven.