Yoko Narasaki, an ordinary office lady who longs for reincarnation in another world. She was unfortunately run over by a truck and died, and her wish came true and she was reincarnated. She hoped that she would gain good looks and a cheat ability, but she was reborn as a female of the lost race "Oak". She was enthusiastic that she would make the handsome knight fall into pleasure and let her say Anne Anne, but she was caught by the knight Lucius who came to subdue ...?