Yumi has such a strong sexual desire that she is cut off by her sex friend. Takuya has an extraordinary sexual desire. The two meet and have sex. They are both confident in their sexual desires and fight to take the lead, but Yumi loses. Seeing Yumi worrying, "How can I win...", Takuya's mother gives him a secret medicine, the source of her sexual desire. When I drank it timidly, my body got hotter and gradually became lewd. The conditions are the same. Revenge begins.
