The series takes place in Tokyo City, where Professor Utonium and his son, Ken Kitazawa and his robotic dog, Peach are busy on Chemical X, a powerful substance but when they have tea, Peach accidentally drops a daifuku to a vat of Chemical X and it magically transforms to Chemical Z, a new Pacific girls.com shiho of the original powerful substance. Out now on Kindle. The album's booklet features concept art for all the Pacific girls.com shiho. From Wikipedia, the free encyclopedia. Anime and manga portal.