The Female Supporting Character Counterattacks: Master Qing Leng Is Panicking

Destiny wants me to die? I just led my master and junior brother to start a business, steal treasures, and beat up the protagonist. Along the way, the demon king chased after him to propose marriage, his junior brother was busy escorting him, and his master silently supported him. Whoever wants to take this cannon fodder, I, senior sister, will go sideways!