 He went on to direct several of the magical girl series, including "Magical Angel Creamy Mami".In 1986, he moved up to chief director with "Hikari no Densetsu".Mochizuki became known from the early 1990s as director of "Ranma ½", "Kimagure Orange Road" and the Studio Ghibli TV movie "Ocean Waves", he is also known for having directed "Twin Spica", "Zettai Shounen", the acclaimed World Masterpiece Theater series "Porphy no Nagai Tabi".