The story flows to Keiichi Morisato is a kind hearted, still unlucky and single college fresher, which is frequently required upon by his patriarch dorm-mates and top routed into capturing phone messages and doing varied tasks for them.
One day, while solely in his dormitory, he incidentally calls the Goddess Scientific Help Line and a pretty goddess named Belldandy appears in his room. She tells him that she means has accepted a method appeal from him, so she has been sent to gift him a unique wish.