Hey, I saved your life, so what are you going to give me in return? ——There is nothing I can do to repay your life-saving grace, so I will promise you my hand in marriage instead. — Don't, don't, donâ€...

She is the secret service’s trump card, a poison specialist, but also a young and cute girl with a sinister temperament. Contrary to her sweet and innocent appearance, she can complete any tasks without th...