Different Worlds

A Certain Scientific Railgun × World Trigger Crossover.

"As long as you never make him snap, you'll be fine."

"It's no wonder he broke the rules about using the triggers, he's related to someone who doesn't even know we have one."

"Nii-san! You never told me you were an angent!"

"And I thought Jin's a pain in the neck, he's even worse."

"Use this opportunity to attack the Neighbor while he's in another city."

"How can you not have blood!?"