Second Miss Agent: the Poisonous Concubine Is so Naughty

She once traveled through time and became a small rice bug in the countryside. Nanny? Your sister died suddenly, and you want to give yourself to a pervert as a plaything? The ever-changing little witch transformed into a thousand-faced man to track down the real murderer of my sister. The Minister of War bullied me, a little orphan without a father and a mother! Sister, your family has been ruined by the trouble! The prime minister's son is a pervert? Sister, you will not die well. Hey, isn't the prince a sickly good-for-nothing? Why is he so powerful secretly?