Ryoushu -Kinki no Mesuniku Jikken Chousho-

凌襲～禁忌の牝肉実験調書～

The story takes place in the near future. Science has dramatically progressed, but humans have been declined. The main character, a scientist, belongs to an illegal organization and carries out experiments every day. One the other hand, girls called valkyrie, who belong to a government organization, try to sneak into his laboratory and arrest him. The girls successfully go inside, but it is just a trap and they are captured by him. His new experiment now starts....