Everyday Life: My Little Sister Has Been Acting Strange Lately

A terrifying foreign organization trains little girls to become killers. Pure love + sweet romance + one female lead.

They manipulate emotionless little girls like tools and launch frenzied attacks around the world, earning a notorious reputation.

The killer known by the code name 47 is one of them. The world doesn't know that he is the only male among them.

He thought he would die on the battlefield during his final suicide mission.

Fortunately...

The warriors of an Eastern nation smashed the terrorist organization and captured 12-year-old 47.

An old general adopted 47.

"From now on, your name is Ye Wei."

"You're no longer a tool. You can be the person your name says you are."

47 lives with the old general's family and gains a little sister.

Then his little sister discovers the secret that 47 is a boy.

Why has his little sister been acting so strange lately?