Sister☆Pregnancy Mix Vol.01 The Grim Reaper girl has arrived! !

The main character, Akitoshi, is given one week to live, but his way to survive is to become someone's parent! ? A sad man without a girlfriend begs for his beautiful big-breasted sister Hitomi! ! Hitomi! Get pregnant with my child!! Will the protagonist be able to impregnate his girlfriend's older sister and survive...? ? rn