Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
There are two types of people in this world : normal human beings and animals that have a special environment that enables same-sex pregnancies. Akira, an animal specialist, met Sogo, an animal that had lived in arrogance in spite of his instinct, and became a husband and wife after a ups and downs. In addition to Shota, twins were born, and there was a family of five in the castle Shima Family Residence, but Sogo's younger brother Wagu persuaded Akira. It also contains the love story between Dr. Kurosaki and Nurse Kirigaya!