Massivecrossover Stories

77 Stories

Unity Academy! by WAMred
#1
Unity Academy!by William_Meaux
A young man became the founder a school called Unity Academy which is a rival school to Union. However unlike Union, Unity is full of true heroes with little to no corru...
Completed
To Protect And Serve (Male Cloaker Reader x Massive Crossover) by ReinerBraun456
#2
To Protect And Serve (Male Cloaker...by Kameraden
(NOT AN ABUSED/BULLIED/CHEATED/NEGLECTED Union book because those are boring to write.) "I, do solemnly, sincerely and truly declare and affirm that I will faithful...
The Evolving Hero and the Ruler of the Abyss (Union Academy x Abyss Sans) by adamabyss12
#3
The Evolving Hero and the Ruler of...by adamabyss12
"I had thought...I had believed...I had hoped that...because you are heroes...you would care more about the lives of others, regardless of what and who they are, an...
Completed
The Spinjitzu Masters of Union (Green Ninja Male Reader x Crossover Harem) by SpectralNinja
#4
The Spinjitzu Masters of Union (Gr...by Aura
Growing up was never easy for (Y/N) Garmadon. From a young age, he was always looked down upon due to his father being the notorious villain, Lord Garmadon. However ever...
Take the Journey (OP Male Reader x Honkai Star Rail) by SpectralNinja
#5
Take the Journey (OP Male Reader x...by Aura
"Once his gaze is cast upon you, there is no turning back. But do not fear, for this is far from the end of your story. Whether those pages be filled with joy or su...
The Soulless Artist and the Guardian of the Doodle Sphere (Union Academy x Ink) by adamabyss12
#6
The Soulless Artist and the Guardi...by adamabyss12
(This is a prequel of Abyss Sans' story, focusing on Ink Sans' POV, before Ink had met Abyss himself.) "You heroes claimed that you fight for justice, and that you...
Completed
A bizarre life (Male stand user reader x massive crossover) by RandomnessLord
#7
A bizarre life (Male stand user re...by RandomnessLord
"Yare yare, these women are annoying..." -Y/n Joestar (Massive crossover) (Disclaimer: Pictures are not mine)
He Who Watches and the Polothorn of the Anti-Void (Righteous!Error x Union) by adamabyss12
#8
He Who Watches and the Polothorn o...by adamabyss12
(This story is a sequel, taking place after the Abyss Sans Story) "I-It is very amaz-azing how one can cha-change, by the most disastrous of decisions, and the most...
Completed
Chatting Through the Multiverse by Mhiktur
#9
Chatting Through the Multiverseby Mhiktur_Moody
*Cover WIP* Izuku Midoriya thought he was crazy at first. When he was four years old, he woke up to find a square of light hovering in the air before his eyes. Naturally...
The Son of Celios and Heephis by lupin1st
#10
The Son of Celios and Heephisby 80Lupin Awesome
Lupin was just an average who has no abilities in this cruel society of ruled by Union that always look down on the weakling and on the ones that look different which di...
From number One tank engine to Super Robot pilot by amharice
#11
From number One tank engine to Sup...by Amhar Smith
Sodor's Legend of the Lost Treasure, which he felt alone as of the number one didn't represent the good luck but a cursed him for all the bad luck they had done even tho...
Ultimate Being (Kars reader X Massive Crossover) by RandomnessLord
#12
Ultimate Being (Kars reader X Mass...by RandomnessLord
After quiting the Union Academy and gaining unimaginable powers, you move to Stardew Valley and become a farmer. However, your past will come back to haunt.
Multiverse restaurant by Jdragonx25
#13
Multiverse restaurantby Jude Heyns
Guy dies and gets isekaied. He was asked by god what he wanted a system, powers or great companions. No he asked for a restaurant.
The Protector of The Ommiverse by HyperSonic1811
#14
The Protector of The Ommiverseby Maruto Hirmada
(Massive Crossover x Hated Male oc Sans Reader)
Planet Of The Serpents. (Redux) by NewFallenAngel118
#15
Planet Of The Serpents. (Redux)by NewFallenAngel118
A human who after escapes from his home state stumbles upon a hidden gooey pond portal to another planet. One that's filled with whole kinds of different snakes being th...
Digimon Summoner by Morderack
#16
Digimon Summonerby Morderack
Izuku Midoriya is given the power to summon powerful creatures made of computer data. Now he, and his army of digimon, must show the world what a true hero can do. Rated...
True Hearts by WAMred
#17
True Heartsby William_Meaux
Follow this tale of a young adult who was always abused, neglected, and bullied at a place called Union Academy.
"A Broken Caladrius" by Juggernaut_Infected
#18
"A Broken Caladrius"by "SomeTerrarianBoi"
(DvN OC x Massive Crossover) "The Caladrius. a mythological white dove that is to cure people from ill and sickness.. but this one had to go through all hell and un...
Foundations Academy by amharice
#19
Foundations Academyby Amhar Smith
Foundations Academy isn't your ordinary academy compared to Union Academy or Neo Axis Academy that are corrupted.. Foundations Academy Academy not also to train Heroes b...
Lupin's Betrayed and Vengeance  by amharice
#20
Lupin's Betrayed and Vengeance by Amhar Smith
Lupin Shimura was treated like trash and Outcast to society and now he was in maximum security falsely accused for a crime he didn't commit however he wasn't gathering i...