[ENGLISH-SUBTITLE] NACR-743 I can not stand it any longer! Mito Wakui, the little devil's niece who toyed with me by showing off and seducing me

My brother and his wife went abroad for urgent work. While I'm away, I'm supposed to take care of my niece, Mito, but they're strangely close to each other, and as if to show off, she shows off her defenseless side. One day, he encounters M