Inio Asano ( 浅野 いにお) is a Japanese manga author. Asano created the acclaimed manga Solanin, which was released as a feature film in Japan in April 2010, starring Aoi Miyazaki. He is also famous for the series Goodnight Punpun. Known for creating character-driven, realist stories, ranging from slice of life to psychological horror, Asano won first prize in the 2001 GX competition for young manga artists. In 2010, Yomiuri Shimbun described Asano as "one of the voices of his generation."