Chokotto☆Rhapsody

Main character suddenly starts to live with cousins seeking to take advantage of him. However, at the first day of co-habitation he dies. Two girls - angel and devil - appear before him saying sorry to have cut his soul thread by mistake. As a way to correct their mistake they get to live together with protagonist till his soul becomes stable. How will battle between cousins and celestial beings thread?

[From vndbreview]