Why did the armed girl emperor kill five swords?

Because the five swords hurt the female emperor.

Five swords cut the female emperor three times between crackles. It is the first five swords that do effective harm to the female emperor. Because the instantaneous light didn't break the female emperor's body, she was hit by a counterattack and lost her fighting ability for a while after being injured.

The animation "Armed Girl" tells the story of a transfer student named Na Cun, who comes to Aidi Student College. A girl with a weapon rules all the boys mercilessly.