Ake no Joi to Yoi no Majo ~Boku to Kanojo no Midara na Karute~
Kou is in search for a cure to his special illness. He arrives at visits Hakone, a remote clinic. Despite the spacious clinic with a swimming pool and other facilities, a sole doctor named Babel lives there alone. She diagnoses that Kou's treatment requires contact with the seductive opposite sex.