We can never predict the future, but with one's actions, the future can be controlled, and a new universe is created. When 2 twin siblings, drowning in despair, and an entity, shot by betrayal, are teleported to another world, their actions and unpredictability will decide the future of All Creation. Main pairings Subaru x Emilia. Shadow x Rem. Other pairings will appear later.

Hikigaya Hachiman finds himself transported into the Kingdom of Lugnica. Whether he'll find a way to get back is not the question - whether he'll want to go back, is.

Three months after his unwilling return to Earth, Natsuki Subaru spontaneously combusts. A number of deaths later, he joins the Chaldea Security Organization. And then dies some more. Save the world, Subaru. If you can manage that, then maybe, just maybe, you'll find a way back to that other world of yours.

The Re:Zero world realizes, through the introduction of a particular young hero, just how small the world they live in truly is. Basically, Subaru is MCU Spider-Man and madness ensue upon the arrival of the Marvel multiverse unto the world of magic, witches and spirits.

Ren Fujimura, A normal Young Man, is sent to alternate worlds in hopes of getting stronger. He will restore his world at whatever costs. (Gamer)

Subaru Natsuki is just an average shut-in teenager with no special qualities about him. Or this is what he thinks. Unbeknownst to him, within him lays the power of a Longinus. The newest host of Ddraig has found his way in another world, and the power he possesses shall soon be made clear to him.

Sin saber como termino en ese lugar, Yuji Itadori tendrá batallas que jamás esperaba tener y nuevas experiencias que lo harán crecer en todo sentido. ¿Pero...tendrá un precio?

Things have been hectic in the Demon Slayer Corp as news quickly spread of a demon's pardon by their leader. Kaoi thought things could not get any more crazy. That is until he and his Kasugai Crow, Teruo are transported into a new world. A whole new set of challenges awaits him in the kingdom of Lugnica.

Illidan Tempestira antes de absorber los poderes de la calavera de gul'dan y Ilana al momento de regresar a casa, fueron transportado misteriosamente a un reino de otro mundo, en donde deberán colaborar entre si, si es que quieren salvar este mundo que ahora esta bajo la mira de la Legión de Fuego, con la ayuda de una hermosa chica semi-elfa de cabello plateado llamada "Satella".

The would-be students of Tokyo Metropolitan Advanced Nurturing High School thought they would have a wholesome and competitive high school ahead of them. however, a certain Chad and his buddy says otherwise. (Subaru never got isekaid) (Subaru the Edge lords Slayer)

A witch, consumed by loneliness and envy, tries to find someone to save her, one way or another. Perhaps if destiny's hand had not succumbed to the will of another, it would have been a completely average man, as flawed as any other. Yet even fate's rules can be bent and instead of a man, came a Supreme Being. What happens when an Overlord descends to Lugnica? Only time can tell...

Subaru's wives are extremely busy (some busy hiding), leaving him deprived. Fortunately, a high school friend sold him a contraband that could keep him busy. A concubine from another world!

Subaru achieves his happy ending.

Being drowned in the water city of Priestella, Regulus' fate is sealed to die in that bottomless pit he found himself in. But after he died, he seemed to get rejected by the world afterlife, or Od Laguna if you will, as he suddenly found himself traveling through the void and eventually reached the land of fantasy. Warning This fanfiction contains a bit of gore and profanity.

Some say there is nothing after death. Unfortunately for Ren, he soon finds out the truth. Tasked with getting revenge, nothing will stop the Shadow Monarch. (Current World, Re:Zero)

Normal day for Subaru... Until he was forced to invite multiple groups of people into Roswaal's mansion to live with him.

With Emilia and Julius married. Subaru was heartbroken and depressed. Fortunately, his interdimensional fugitive brothers got his back! Follow Subaru as he replaces an elf with another elf from ZERO.

The characters are not mine and their story does not originate either. The rights to their respective authors: Rezero:Tappei Nagatsuki. And High School DxD: Ichiei Ishibumi

After having defeated Xehanort and managed to have saved Kairi from her fate, Sora disappears into a dark abyss of Darkness. Just as it seems like it'll be an endless sleep for having abused the Power of Waking, an outsider manages to teleport the young keyblade wielder into a different world.

14 Players, 1 Killer amongst them. Unfortunately our MC has no clue who that could be. (Harem...ish?)

Arc 6 Subaru is brought back to Earth as a reward for all the good he has done. Now, he is back home, with his parents and with his powers, even Return by Death. Everything was great until he comes across a bald drunk assaulting some woman. But Subaru is arrested instead of the bald drunk and is now on probation for one year. Now, Subaru has to go to Tokyo to continue school.

After being sent back to Earth, Natsuki Subaru reunites with his parents. He begins to slowly readjust to life on Earth. But after trying to do the right thing, he is arrested and expelled for now having a criminal record. But if he wants to continue his education, he has to move to Tokyo and go to school there. Should be easy. Right? Nope as it seems trouble likes to follow him.

Kazuma was fiddling around with an item in Wiz's shop before he was suddenly transported to another world. The first person he meets here is also new to this world and also from Japan, his name Subaru Natsuki. Subaru will suffer, but since Kazuma is around he is going to get some pointers on what not to do in another world, but Kazuma won't give out tips when Subaru wants them.

The Witch Pandora has an experiment she'd like to perform, one requiring unusual subjects from another world. So she pulls Nejire Hado and Dabi from the world of My Hero Academia into her world to face the many trials of Lugnica. Now these two enemies have to decide to either work together or stab each other in the back in order to survive. Either way, it's gonna be quite a show.

Instead of the miracle-bringing Traveller in Aether/Lumine, Teyvat got another outlander. One who was far more useless, albeit influential nonetheless. Natsuki Subaru wakes up in another world and ventures forth to remember the past he had forgotten as well as to find a familiar face from Lugunica. (Spoilers up till Re:Zero Arc 6 and Genshin Impact Theories)