Protecting Your Sister-In-Law for Your Brother Is Also a Responsibility

His elder brother passed away unexpectedly, leaving his sister-in-law to depend on him. Since the elder brother is gone, the younger brother is left to fulfill the responsibility of protecting his sister-in-law, but he is always targeted by bad guys. It doesn't exist. You want to take advantage of my sister-in-law? How do you deserve to be trash like you? Get out of here now, or I will give you a few golden slaps with my big hand!