Motoko Arai (新井素子; born August 8, 1960) is a Japanese science fiction and fantasy writer. Her writing is characterized by her use of a light conversational tone geared towards a young adult audience. She has published three series of novels and several short stories. Her works, Green Requiem and Neptune, received the Seiun Award for short story in 1981 and 1982. Source: Wikipedia (en)