NACR-743 我再也受不了了！那个小恶魔的侄女若井美都，一边炫耀一边引诱我，简直是在玩弄我

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 Mito masturbating in the living room and finds out that he is peeping on her. However, it was a show-off temptation from my little devil niece!