Our world now hosts mythical beings once believed to be products of our imagination, such as harpies, centaurs, and catgirls. The 'Cultural Exchange Between Species Act' allowed these entities to assimilate into society, but not without difficulties. Kurusu Kimihito, an innocent human adolescent, was unexpectedly enrolled in the government exchange program, assigned the task of caring for the snake-like lamia, Miia, who struggled to adapt to human life. However, an additional challenge arose as Miia exuded undeniable sexual allure, and laws prohibited inter-species breeding. The situation became even more complicated when a beautiful centaur and a flirtatious harpy joined Kurusu in his living quarters. How would he handle these irresistible temptations in this new, extraordinary situation?