I'm going to take care of my niece, a female student, for a while. She used to be cute and would say things like "I'm going to marry you, big brother!", but after not seeing her for a while, she got really cocky and won't even listen to me. Even now, she's lying on the sofa and obsessed with smartphone games without eating the food I prepared for her. ...Hey, you can see her panties. I don't know if she's defenseless or doesn't see me as a man, but I'll teach her what happens if she shows off that cute ass!