FNEW-023 To stop her brother from going to prostitutes, his busty younger sister devotedly provides sexual support! A life of financial hardship with a threesome and internal ejaculation! (Female brat 37) Otowata Amu

Am and her college-aged brother live together, barely making ends meet with part-time jobs. One day, when she picks up her brother's pants to do the laundry, she finds a card for a sex shop in the pocket! "We've been saving money and working hard, why?!" When she confronts her brother, he apologizes, saying, "I just couldn't control my sexual urges!" Thinking of a way to satisfy her brother's sexual desires without spending money, Am decides to offer him sexual support...