[DASS-625] My son is a libido monster Yumi Nijimura

Yumi who was cut by a saffle because her sexual desire was too strong. Takuya has an extraordinary libido. Two such people meet and have sex. Both of them are confident in their own sexual desires and fight for the initiative, but Yumi loses. Takuya's mother, who saw Yumi worrying about "How can I win ...", gives her an elixir that is the source of her sexual desire. When I drank it, my body became hot and gradually became. Now the conditions are the same. Revenge begins.