[Reducing Mosaic]HUNTB-638 "If it's just about taking off the mask, then it would be better to take off the bra instead." The stepsister who has never taken off her mask outside of her own room is too embarrassed to take it off!

Because of my parents' remarriage, I got a new stepsister. She wears a mask at home all the time except when eating or in her own room. The mask has become part of her face. But even though we've become family, I can't see my sister's real face, and it's driving me crazy! So I try to convince her, but she says, 'If I have to take off the mask...', leaving me stunned. But since I also want to see her real breasts, I accept this compromise. After seeing them, of course, I'm rock hard! Then…