Fields of Desine Ver.0.12 by PassionForge - Adult Sex Game

The protagonist left home at a young age to search for his missing mother. Years later, due to the mysterious disappearance of his father, he is forced to return to his hometown to inherit the farm. This return not only brings back old memories but also introduces new relationships: a young and beautiful stepmother,
a cute and lively sister, and a smart and capable servant.
As the new head of the family, the protagonist must search for clues about his father's disappearance while taking care of his family, fulfilling their needs, and helping them achieve their desires. Over time, the protagonist gradually develops deep feelings for his family members, gains the trust of acquaintances, and builds deeper emotional bonds.