This is the story of Y/n L/n, a teen who lives alone due to not having parents, but that won't stop him from being a hero after discovering a lab under a cafe named "Nascita". Follow him on his journey as the new "Kamen Rider Build" and his path to become one of the world's greatest heroes and the Symbol of Love and Peace.

Once apon a time, there was once a young man living in a peaceful and adventurers life travelling around the world by the name of Y/n L/n. He travelled to country to country, meeting a lot of people and making friends as he travels peaceful and hopefully wishing to go on a interesting adventure. His wish soon came when he was immediately transported into a interesting world with magic, mythical creatures and Kingdom's. He was summoned by a group of monster call "The Greeed" lead by Ankh. They have brought Y/n to this world to become a powerful warrior in hopes to destroy the evil forces of the Yummies and other evils within the world. Accepting his roll as Kamen rider OOO, he must battle evil, gain allies and even gaining lots of girls that fall for him as he goes on an amazing adventure like never before.

(Kamen Rider Tycoon X Konosuba X Small Crossover Harem) Naoki Ryuga died trying to save his sister from getting hit by a truck, getting himself hit instead. God gave him a second chance, and reincarnates him in a wonderful world where he meets three girls and forms a party to have some adventures. And also he will find a driver which will change his life forever.

Año 2024, El concepto de igualdad de Género ha dejado de existir... Hace unas cuantas décadas, a lo largo de todo Japón empezaron a aparecer portales hacia un espacio del tamaño del area de Tokyo. Este fue bautizado como el espacio demoníaco "Mato", dónde habitaban criaturas temibles conocidas como "Yomotsu Shuuki". También en dicho espacio han surgido Melocotones especiales que al consumirlos, otorgan poderes, Pero con la particularidad de que solo las mujeres pueden despertarlos. Así nacería el Mahoutai, un escuadrón compuesto solo por mujeres, dedicadas a proteger a la sociedad de las amenazas de los Shuuki. Sin embargo, todo empezaría a cambiar con la llegada de un joven salido de Mato, con la particular afición de comer dulces...

In a of hero's and magic, there is a school that is the greats in all the land, Fairy U.A. but the problem is not everyone is gifted. Y/n is Magicless but he tries harder then anyone to get through the life and to become a true hero. and it all start when he unlocks a special type of magic that only one person can use.

En las Colinas Vive una Criatura Rara,Rías gremory Y El Club De Ocultismo Intentan Descubrir De quien se trata.

(Y/N): "Henshin." HENSHIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (Y/N) (L/N) AKA Kamen Rider Kabuto/The God Of Speed who was the chosen one to walk path of the heaven and he was the person who teleported by a portal take him to the world of spirit by himself...and his job must sealed the spirits and save them all. Then (Y/N) was sealed the first spirit was White Queen and she with (Y/N) to stay side together as heroes and the two of them were fighting at the enemies of this world is...DEM and Worms...that's their missions to fight and protectors of the spirits. Shido and Kotori Itsuka heard this strange anti-hero of Masked Rider Kabuto...will they seen him was a bad person or evil...but question will he is going to save the spirits from the outer spaces? Is he a hero or savior? Let's find out.

(Y/N): "Hen...shin." (Y/N) (L/N) is the son of Raidou and clone also he was the person who had this power of Kamen Rider Ryuga and he survive the battle of Rider War before and the 13 Riders that's what he just challenge these Kamen Riders by himself and until the battle is done and he decide to do superhero like vigilante. The man who give (Y/N) for everything that he had and turns out that wasn't work in the other way and then (Y/N) who won the war of Rider battle and live in normal life by himself in his own world until few moment later that (Y/N) saw there was a shinobi woman and this make him change his life to see how her can helping him with his emotions and the feelings. This woman had a name is Kasumi...no last name and she is a shinobi who leave out of her town and they thinking her is betrayal and traitor who leave the village...also she is the former of the clan and that's why she leave. Then Kasumi found a person who can helping her and make her believe him was a better person like her brother Hayate and then she decide to following (Y/N)'s wish and commands...and she will be (Y/N)'s lover and bodyguard but she had no idea what (Y/N) is Kamen Rider Ryuga.

(Y/N): "Hen...shin." (Y/N) (L/N) AKA Kamen Rider Ryuga/Onyx that he is the dark dragon knight who was the mysterious vigilante over the New York city...fighting every single crimes over this world and make him killing and execute all single criminals alive by himself. None of these evils who break the laws won't getting away from here...they will be ending up like him who killed them all...and then (Y/N) was got invited by the director of SHIELD...Nick Fury who want him to join with the Avengers and make him is reject to join up as Avenger members. Then (Y/N) take his own way to do by himself and make him is going to do whatever his takes to kills or helping the avengers by himself. Then the girls who were seen his dark side seems to be mysterious and he seems to be a lone wolf...but the question is...will they helping him?

(Y/N): "Henshin." (Y/N) (L/N) AKA Kamen Rider Calibur...the most strongest curse hunter who hunting every curses down by himself to take these curses out like nothing...but he will protect the innocent people from dangers. Then (Y/N) was a hero in the town who fight some criminals and bad guys...such as curse users...that is his mission to be a hero...to killing the enemies out there in this world...he was doing this for his childhood friend that he care about...Riko and she was been killed by curse hunter. The dark knight was going out there by himself and start to kill and hunt down these criminals for what they did to her...but he won't forgive them...they are evils and they must be death by (Y/N) and then he was meet with the other sorcerers who are from Jujutsu by themselves and he doesn't trust them. He works alone by himself...he only kill those curse users to take them out like one by one just by himself. Now what else Ryomen Sukuna...the king of curses can deal with this dangerous threat Kamen Rider Calibur...the dark dragon knight challenge king of curses by himself.