Big sister, show your panties to your younger brother, whom you hate.

Tsumugi, a female college student, received pocket money with her middle-aged father for the sake of her household finances. One day, Hashimoto, a classmate whom he truly dislikes, comes to visit with his father's stepchild. He is unable to resist the evidence of Enkou. Tsumugi looks down on the worst, flips his skirt over and wets his panties as he caresses her vile caresses. As if to enjoy her disgusting face, her cock is tugs inside her vagina and is made to cum by a selfish creampie. Despite her contempt, she learns the pleasure of reaching orgasm...