Alfheim is a world where only elven girls exist. The world source of Shrine mana began to dry up and the elves could be left on the brink of extinction. But then they remembered the prophecy that said that a "man" would come from another world and save the elven race. The wait for the "hero" was not long and he appeared out of nowhere. The essence of the rescue was to have children from the "hero" man. Many elves could not put up with such "saving the race" and separated from the general group. In fact, all elves were divided into two warring camps. Soon some of the followers of human pregnancy began to realize that having sex and semen improves and strengthens their magic abilities, and the more often they get a portion of sperm, the stronger and more powerful their magic becomes. For the "hero" the hard times began...