Rimuru Tempest is overwhelmed by paperwork while growing too powerful alongside Veldora Tempest, causing the two to spiral into chaotic, confused fights that nearly destroy Tempest. Furious at the destruction, Velzard and Velgrynd step in and shut everything down instantly. Ciel's calculations lead to an emergency regression, forcing Rimuru into his 17-year-old Satoru mindset while Veldora is reduced to a chaotic teenage form. After Ciel separates herself from Rimuru, daily life becomes the new "stabilization method," where both slowly relearn emotions, fall into awkward romance with Rimuru and his harem. Ships- Rimuruxharem VeldoraxLuminous

A bored god is a dangerous thing. Especially when he decides to take a vacation in another world. Unfortunately for Tortus, that god is Rimuru Tempest. **Disclaimer** This is a fanfiction work created for entertainment purposes only. The series *That Time I Got Reincarnated as a Slime* and its characters (including Rimuru Tempest) belong to Fuse, Mitz Vah, and their respective publishers and rights holders. *Arifureta: From Commonplace to World's Strongest* and its characters (including Hajime Nagumo) belong to Ryo Shirakome, Takayaki, and their respective publishers and rights holders. I do not own these characters or the original worlds they come from. This story is a non-profit fan work made out of appreciation for both series. The plot, crossover concept, and original elements introduced in this story are my own creative additions. The cover image for this fanfiction is AI-generated specifically for this story.

Rimuru was feeling bored, so he decided to go back in time and start anew. This time, he opted for a new game-plus style, retaining all his abilities and accompanied by his most trusted partner, Ciel. or This is a story about how Rimuru achieved world domination, charmed multiple beautiful women, and gave headaches to Guy Crimson and other inhabitants of the world. . . . . . . I do not own That Time I Got Reincarnated as a Slime the series is owned and written by Fuse.

this is my first fanfic and English isn't my first language so if I make any mistake then point it out so I can improve. I enjoy reading Tensura fanfics, so I decided to write one myself. This story will closely follow the Main plot of the original, but with a few changes, Rimuru will be a bit smarter and stronger than in canon. The main ship will be Rimuru ciel because let's be honest, it's the perfect match, with some development between Rimuru Hinata as well , since I like her character. A yuri route might happen , but that's still just a possibility. Hope you enjoy the story!

What if Veldora's sisters were also trapped inside unlimited imprisonment? They went to go stop Veldora but they got trapped by the hero. Guy and Rudra never went to go and save them or break them out; however, Milim sometimes visits them. Years later, a slime appeared out of nowhere, born from their magicules, and helped them out. Join as the true dragons watch Rimuru journey into a demon lord and become one of their own become their family. They will give him some wise advice with thought communication while watching his journey.

Veldanava lived a regretful life. He made many mistakes, and their consequences were dire. Thankfully, the universe itself seems to pity him as he got a chance to reincarnate back into the Cardinal World as a slime. Warning: -A few characters are OOC. -There has been a change for some characters' backstories, some events and some aspects of canon TenSura. -This fanfiction will use information from TenSura's anime, manga, spin-offs, movie, web novel and light novels(LN1-LN22). -This is a harem story with Rimuru and seven characters. You have been warned.

What if Rimuru was instead reborn as a primordial demon; the strongest in combat and intelligence. He reincarnated just before Star king dragon Veldanava created the omniverse; it was nothing but a void, his soul being exposed just a little to turn null made his soul undergo a change. Making him an individual with a high evolutionary potential

After Veldora was brought under Michael's control, who used his Domination Bullet, Rimuru found himself in a challenging 2v1 battle against Veldora and Velgrynd. Overwhelmed by their combined strength, Rimuru, despite his formidable abilities, faced a dire situation. In a turn of events, Rimuru succumbed to the overwhelming power, leading to his demise. However, a mysterious light suddenly enveloped Veldora, transporting him back in time. Determined to alter the tragic outcome, Veldora set out to become even stronger, avoiding the control that befell him previously. His newfound strength aimed not only to prevent his own subjugation but also to avert the heartbreaking scenario where he unintentionally caused harm to his sworn brother, Rimuru. Veldora, now fueled by regret and a desire for redemption, embarked on a journey to change the course of fate and protect the bond he shared with Rimuru. This is not my own story and this story belong to Fuse

He was the most ordinary college student imaginable. A life so painfully normal it felt abnormal-like the world itself had quietly excluded him from anything interesting. Day after day, he chased desires he could never quite reach. Until the moment he threw himself in front of death to save a dear friend... and actually caught it. Even as his life slipped away, a fierce, stubborn hunger remained. A will that refused to disappear. And the universe, perhaps amused, decided to answer that hunger. Reborn into a brand-new world, he awakens not as another forgettable human... but as a **Primordial Demon**. This time, he won't settle for average. This time, he'll seize every desire, devour every challenge, and live so fully that even eternity might feel too short. After all, when you're handed a second life as one of the oldest and strongest demons in existence, "holding back" isn't exactly on the menu. This is the story of a boy who died average... and was reincarnated as anything but.

A teenager one day wakes up in a new world as the adopted son of Luminous Valentine. How will he do in a world filled with monsters, demon lords, and true dragons capable of destroying a whole country with just one attack?