Ane Haramix Episode 4

After the death of his parents, Akitosi remained in the care of his older sister Hitomi. Years went, and love for his sister outgrown into something more. But once a strange girl came to Akitosi and introduced herself as Sinigami. Her goal was the soul of our hero, but Akitosi pleas with requests to save him touched the girl, and she decides to help him under one condition. He must fertilize his older sister Hitomi within a week and will receive ten years of life as a reward. When Akitosi listened to her and realized that there was no other choice, he went straight to his sister"s room.