C1978 We must Do Our Best

"Seeing as you're a sister, just let you go once." Another voice that was also pleasant to the ear said with some dissatisfaction.

"What is it? You are my sister. Whoever is stronger will be my sister!" The voice from before snorted lightly.

"I stopped him first."

"I killed him first!"

"I didn't stop him. Can you kill him? "

"Even if you don't stop him, I can still catch up to him!"

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