Reito has a month to make the cure before he must mate. Meanwhile, Mira is fired as Reito's attendant, even though she is allowed to stay, and is replaced by Rea Katagiri, who appears hostile towards him. Additionally, Reito is partnered with the shy virologist Maria Kuroda. The group then travels to Keimon City, where the MK Virus emerged, to interview Taniguchi, the hospitalized widow of the virus' first victim. Reito reluctantly bathes with the girls in a hot spring. Taniguchi refuses to cooperate and mocks Reito for not mating. When they leave, it is revealed that Taniguchi is in contact with Elisa and wonders why Elisa will not reveal herself...