Crash! Even Max-Level Assassins Are Mere Ants

Code name Moonfall: the only female assassin at the top of the rankings, a reaper who swept through both the criminal underworld and the legitimate world alone. After discovering the organization's secrets, she is betrayed and hunted down. As she lies at death's door, a strange ink-black stone pulls her soul into the body of Song Youwu, an eighteen-year-old high school student who is timid and weak.

A hellish asura has fallen into the mortal world, only to find herself with gentle parents, two fiercely protective older brothers, and a sweet little brother. For the first time, she experiences the warmth of having a home.

From then on, she reins in her murderous nature. She fights her way into a top university specializing in military engineering, makes a name for herself on campus, and is recruited by a special national organization. At the same time, she quietly supports her family and helps every one of them reach the top.

The assassin organization that once hunted her is still lurking in the shadows. Now she has power and influence in her hands, and she must both protect her family's peace and crush her old enemies, repaying blood with blood as she returns to the pinnacle.

But could the black stone's power be more than this...?