In an alternative reality, a young man named Shoma Kashimiya was running away from Stomach Inc. Using the Door Space, Shouma managed to escaped to Human World. However, the Human World he arrived at was not a good one. There is a monster called, Noise that threatening humanity. Shoma also awaken his power in Human World after eating the snacks. He then decided to using that power to protect human from the Noises and Stomach Inc. ~•~•~•~•~ Disclaimer: This is just a fanfiction story. I don't own the Kamen Rider Gavv or Senki Zesshou Symphogear either. Some pictures are made using AI. I hope you enjoy this fanfiction crossover story.

...."Good Morning Code Number: 7".... "Your Next Mission Is About To Begin"... "Your Objective: Defeat A New Type Of Nightmare From An Odd Dreamer"... A Boy walked into a dimly lit room with his face not showing only seeing his PJs and some strange device wrapped around his chest. He heads towards a bed and lies down on it resting his head on a pillow. "Mission Start"...... "Good Luck." Before the boy went to sleep a smile crept up on his face "...I'm on it!" He says as he slowly closes his eyes drifting into sleep. *I don't own RWBY and Kamen Rider just love making fanfic 👍* Published: December 2, 2025 12/4/25: #1 Good Morning & #1 Ice Queendom 12/18/25: #1 Huntsman

'Ten years ago, (Y/n)'s Father was a very well-known scientist who the revolutionary items called 'Quirk Enhancers'; which were small pills that gave every hero who took them to have their Quirk enhanced. The idea was so brilliant that (Y/n)'s Father was brought in by a powerful company and offically created the 'Enhanced Quirk Project'; which was an official partnership between (Y/n)'s Father, the Company he worked for, and a group of specific heroes. It was big news, and it completely changed the world. That's why it surprised thousands of people throughout Japan when one morning it was revealed that this renowned scientist had killed himself...Only a week after a tragic event shook the country for all it had. But (Y/n) knew otherwise. His Father didn't just die, he was murdered, and by one of the heroes he was working with! Now, with the same brilliant genes of the mind passed down to him by his Father, (Y/n) will found out exactly what happened to his Dad, and make whoever killed him pay for ruining his childhood...It's only along the way that he'll really discover what it means to be a hero.' Don't own My Hero Academia or anything else.

An A.R World of OOO. Houjou Eiji is a carefree wanderer with a simple philosophy: all he needs is a little pocket change and a clean pair of underwear for the next day. His transient life takes a dramatic turn when an ancient seal is broken at an exhibition center, unleashing the Greeed, powerful monsters awakened after an 800-year slumber. The city's established protectors, the Magica Shoujo, find their powers are ineffective against this new threat. When a magical girl is defeated trying to protect him , Eiji is confronted by Ankh, a manipulative, disembodied Greeed arm seeking to reclaim his stolen power. Forced into an uneasy alliance, Eiji uses a set of Core Medals given to him by Ankh to transform into the armored hero, Kamen Rider OOO. Now wielding immense power, Eiji fights to protect innocent people from the monsters.

Japan's very own genius Physicist and his adventures with the erotic fan service ninja friends.

Uma Musume and Kamen Riders. What will happen if two world collides.

Get Ready For The Hero Of Sweet

Zenless Zone Zero x Kamen Rider Geats OC A certain player won the Desire Gran Prix and got his wish granted, to live in another world. He appears to be in the New Eridu, the last bastion of humanity that was surrounded by the hollow. What will he face by this trail of destiny?

Naomi Nakashima has lost everything, her best friend, her classmates, and even the boy she loved, all because of a charm that was supposed to help them be friends forever. Now on her deathbed, Naomi wishes for someone, something that could have changed their fate. Luckily for her, someone granted this wish now it's up to her new friend Takuya Otonashi, to change fate and save the world.

[Senki Zesshou Symphogear] × [Kamen Rider Gavv] A story of a Kamen Rider, accompanied by the help of beautiful Valkyries to fight the forces of evil. The songs of hope and victory, accompanied by one who will deliver a tasty justice filled with hope for a better future. This is the story...of Kamen Rider Gavv and the Symphogear. [Senki Zesshou Symphogear and Kamen Rider Gavv are all owned by their perspective owners. Any images aren't owned by me, please support the official series of this two anime/series.]