What was the date of Masaru Shintani 's death ?
" Area 88 " ( 1985 , based on Shintani 's manga ) " Cleopatra DC " ( 1989 , based on Shintani 's manga , screenplay by Shintani ) " I Dream of Mimi " ( 1997 , based on Shintani 's manga " Buttobi CPU " )