나가사와 마사미
is a 2011 Japanese animated drama film directed by Gorō Miyazaki, scripted by Hayao Miyazaki and Keiko Niwa, animated by Studio Ghibli for the Nippon Television Network, Dentsu, Hakuhodo DY Media Partners, Walt Disney Japan, Mitsubishi, and Toho, and distributed by the latter company. It is based on the 1980 serialized manga of the same name illustrated by Chizuru Takahashi and written by Tetsurō Sayama. The film stars the voices of Masami Nagasawa, Junichi Okada, Keiko Takeshita, Yuriko Ishida, Jun Fubuki, Takashi Naito, Shunsuke Kazama, Nao Ōmori and Teruyuki Kagawa.