IENFA-8001 - A situation where one's younger sister is seductively dressed in a knit dress and thigh-highs. Unable to resist the provocatively protruding buttocks, the individual forcibly inserts and ejaculates multiple times…！？ Fukada Yui

Recently, my younger sister, who has suddenly begun to feel feminine, showed off a revealing knit dress, conscious of attracting male attention. Excitement built from the exposed, vulnerable buttocks visible through the knit dress, leading to an unbearable erection! Unable to resist, I immediately inserted and ejaculated into my sister from behind, and instead of resisting, my sister became aroused and began demanding intercourse. I repeatedly ejaculated into her from behind with vigorous thrusting!