Sahara is a normal high-school girl whose life is turned upside down when she meets "Gertrude," a 100-year-old demon who looks like a teenaged boy. Gertrude is a man-made demon, constructed from the parts of...

"A German girl would even go as far as doing that while taking a bath with me!?" Shuu found himself hosting a visitor for a homestay, as a request from his parents who have been assigned to work in Germany....