[Wadachi Taira] Virgin Killer Sweater [CarlJPTL]

A sister teases her brother by slipping on the infamous "virgin‑killer sweater," prompting his shocked reaction as the garment accentuates her ample bust and forces her rounded butt to jut out, leading to a heated exchange about their forbidden bond. The playful banter quickly escalates into a charged, incestuous flirtation, with her taunting him that his lack of a proper relationship makes the sweater’s tight fit the perfect excuse for their intimate encounter.