Fairy Tail x Black Clover

Fairy Tail x Highschool DXD

Ben 10 reboot x The Powerpuff Girls (2016)

Ben 10 x Transformers

Ben 10 x Avengers: Earth's Mightiest Heroes x Generator Rex

Ben 10 x Justice League x Generator Rex

Assassin's Creed x Ark Survival Evolved

Assassin's Creed x RWBY

MHA x DC (Blue Beetle)

MHA x Watch Dogs

MHA x Infamous

Arifureta x Assassin's Creed

TENSURA x Assassin's Creed

TENSURA x Fairy Tail

Assassin's Creed x Pacific Drive

Cyberpunk 2077 x Assassin's Creed
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This is something I'll update when I have an idea but can't really do anything about it yet I am open to suggestions if you have any. I will include the story titles as well.