[Ahemaru] Sisters seduced by their fiancé's father-in-law [English MTL]

Sisters become entangled in a forbidden seduction by their fiancé's father-in-law, sparking a heated clash between duty and desire. The vulnerable, buxom sister with a ponytail is overwhelmed by the old man's aggressive advances while her more reserved sibling watches helplessly. The story builds tension through relentless lewd encounters and emotional turmoil, culminating in a shocking climax that tests their bonds.