In a world where battles between humans and demons attempting to invade from the demon world continue, there are two girls who embark on a yuri journey to defeat the demons. Lisa was discovered by the fox spirit Shen Hu and formed a masterservant relationship with her, and now she is unable to grow. The two have a secret to their strength. ‘I knew you were my beautiful ideal girl…’ ‘Whose fault do you think it is that I ended up like this…?’ Their relationship, physically and mentally strengthened by Shen Hu’s magic, begins to spread not only to their bodies but also to their minds…? What will happen to Lisa, the tsundere mistress who can’t be honest with herself, and her adorable follower in their yuri journey to defeat the demons? Yuri, eroticism, battle scenes, and robots! A yuri story filled with delicious moments intricately woven into the plot is about to begin…!”