Black Jack no Yuuwaku
Bought For Revenge, Bedded for Pleasure·ブラックジャックの誘惑
A man who was once rejected by his father and harbored feelings for his stepsister is now a wealthy businessman. By chance, he inherits his father's estate and finds himself in a position to seek retribution. His stepsister, who has become an attractive woman, is offered the chance to retain her cherished home under one condition: she agrees to a weekend arrangement with him.