Is There Something Wrong with Me as an Assassin?

Ten years ago, a rocket launcher accidentally hit a hapless Vongola candidate.

The smoke cleared.

The smell of blood.

The scent of gunpowder.

And... Tsunayoshi Sawada.

The brown-haired boy expressionlessly took out the target who had come along with him. He looked at the silver-haired boy beside him, who was staring in shock. His pale eyes narrowed slightly.

"I know you..."

"The guy who used to play with explosives on the streets of West Italy..." His voice was cold and eerie. "But I remember you were supposed to be dead, weren't you?"

A parallel-world swap: Killer 27 from World B and 27 from World A.

A story about people behaving badly.

The Simon family features prominently.

Theme: Moving toward a better life.