The re zero cast is sent to the backroom and have to find their way through the treacherous rooms.

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

When Yuji enters an incomplete domain, he is cast off to a completely different world. Not knowing what to do in this situation, he agrees to hand control over to Sukuna for a short time. He might come to regret that later. TLDR: Sukuna has a great time in the world of Re:Zero.

In which a young man from Earth finds himself inhabiting the body of Arthur Pendragon(Fate/Prototype) in the dangerous world of Re:Zero.

The story follows Subaru Natsuki, who, after traumatic events, awakens in a state of despair and insanity. Plagued by hallucinations and an insatiable hunger, he faces the relentless Arima Kishou, a legendary CCG investigator, in a brutal and unequal battle. On the brink of death, Subaru is mysteriously saved and awakens in Lugnica, now consumed by his hunger and predatory instinct

Regulus Corneas, a young man from the Revolutionary Army, unexpectedly inherits the memories and powers of his alternate version from another world — an Sin Archbishop from the Witch's Cult, representing Greed. The story can be read without prior knowledge of the canon, as everything will be explained in detail.

Subaru Natsuki gains the Unique Skill Great Sage and hopefully that makes his Isekai life a little easier (it won't)

Fate is a fickled thing; why do we have to start from Zero?

a veces el mundo te da la oportunidad de arreglar tus errores, de mejorar, de redimirte, de iniciar desde cero. mientras Six vaga por el yermo es teletransportado a otro mundo, ahora debe de buscar sobrevivir a este mundo mientras cuida a un joven bastante tonto.

Natsuki Subaru, an ordinary teenager, meets a beautiful girl with blue hair and red eyes from another world. Subaru wants to stay by her side, but the burden she carries is greater than Subaru can imagine. They face fierce attacks from monsters called 'Angels', betrayals, irrational violence...

Tony Montana es transportado a Re:Zero luego de su muerte. ¿Como logrará sobrevivir? ¡ven a verlo! Tony Montana is transported to Re:Zero

Do you know what a butterfly effect is? It is said, a small change in the past could result in a tremendous change in the present and the future, changing one's fate. This is what happened to Subaru Natsuki after his encounter with wannabe vigilante, who called himself "Stylish Ruffian Slayer".

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. Current Arc: Four Day Deluge - Okeanos

Reinhard Van Astrea, the current sword saint that lives in the dragon kingdom of lugunica, minding his own business until he gets summoned into another world and gets involved in a goblin slaying adventure

Natsuki Subaru was supposed to be an ordinary teenager until the day he was reincarnated into a world of swords, magic, and death. But unlike his past self, he awakens not only with the cursed gift of Return by Death but also with Six Eyes and the boundless sorcery of Limitless powers so overwhelming they make him nearly untouchable. Yet power alone is not enough to defy fate.

Defeated, his army destroyed and scattered around Middle-Earth, now the Dark Lord could only wander in the Void waiting for the Dagor Dagorath where he would be summoned to fight in the Battle of all Battles...or so he thought, as an admirer of him gave him a second chance to restart in another world...

This story covers from Season 3. And it's a Crossover between Marvel and Rezero. This Fanfiction is canon to my In Marvel as summoning Mage Fanfiction and Ghost rider journey through anime multiverse. You can check it in my works.

The all-powerful Beyonder was slain by Molecule Man while he was in the process of transforming into a full human with unlimited power. His immense energy returned to its universe. However, the Beyonder is still alive, having teleported himself away just before he was killed.

Garfiel Tinsel finds himself in a new world by unknown means, leading to him meeting the legendary Shield Hero, Naofumi. What does this meeting mean, and will they be able to help each other?