[Ahemaru] Sisters seduced by their fiancé's father-in-law [KOKORO个人汉化]

Two sisters, bound by their upcoming marriage, are drawn into a forbidden encounter with their fiancé's lecherous father‑in‑law, an older man whose dominant presence triggers intense ahegao reactions and swelling breasts. The narrative showcases explicit lactation, gasping moans, and the women's helpless surrender as they experience taboo pleasure and hidden desire. The story blends netorare tension, multiple pairing dynamics, and vivid erotic tableau to tease the climax without revealing every detail.